Alkane Naming Worksheet Condensed Structural Formula


In this alkanes worksheet, students complete a table with the chemical formula, the structural formula and the condensed formula of various alkanes given different numbers of carbon atoms. Please try again later. Draw the structural formula and line angle formula for the following molecules. In this section, the class of alkanes is the subject and the ending (rest of the name) will be -ane. What is the general formula for a noncyclic alkane?C?H? b. a condensed (semi) structural formula. Video includes several practice problems for recognition of line structure, condensed formula, and structural formulas. Alkanes Worksheet - Alkanes Worksheet 1 Answer the following a What is the general formula for an alkane b If a saturated alkane had 15 carbon atoms in the condensed structural formula, and the skeletal formula (line drawing) for and the skeletal formula for octane (assume this is the IUPAC name). MP and BP increase with number of carbons in a straight chain alkane MP and BP increase with length of chain MP and BP decrease with increased number of substituents Short alkanes (methane, ethane, propane) are gases are room temp. This quiz is incomplete! To play this quiz, please finish editing it. doc Work Sheet 2- Writing formulas. Structures of Alkanes A. Naming an organic compound requires several steps. 1-120 + H2S04. This naming system is useful for small alkanes and loses its utility for higher alkanes with many isomers. Alkanes Worksheet and Key 1. , but the style of molecular representation above would be described as an shortened, abbreviated or condensed structural formulae. The general formula is C n H (2n + 2). Draw a condensed structural formula for the following compound. ethoxybutane c. Alkane Nomenclature Rules (2. The amide suffix is appended after the hydrocarbon suffix minus the "e" : e. Since the amide group is at the end of the chain, the C=O carbon must be C1. Alkanes Worksheet and Key - Saddleback College. 3-ethyl-4-methylhexane. or complete structural diagrams. Derived the general formula of Alkanes CnH2n+2. 3 © 2018 Cengage Learning. explain the difference in structure between a straight- and a branched-chain alkane, and illustrate the difference using a suitable example. Alkanes can be written in structural formula or condensed formula. _____ Draw the structure of the following cycloalkane. Retrieved 29 March 2019. The names of organic compounds are based on the names of the alkane family. las work just as well. Let's start with an introduction to alkanes. Symmetrical alkenes (like ethene or but-2-ene) are dealt with first. Nomenclature system to name and write formulas for alkanes and substituted alkanes. Hydrocarbon structural formulas are numbered from right to left. 1 Answer Ernest Z. Learn vocabulary, terms, and more with flashcards, games, and other study tools. CH3-CH2-CH2-CH3 2. CH3—CH2—CH2—CH2—CH3 * Structural Formulas Alkanes are written with structural formulas that are expanded to show each bond condensed to show each carbon atom and the attached hydrogen atoms * Line-Bond Formulas Because each C atom has a tetrahedral arrangement, the order of atoms is not a straight line, but a zigzag pattern. Rank the alkanes in order of stability from most stable to least. In this formula, substitute [a. Its chemical formula is (CH3)2CHCH2CH3 The structural formula for 2-Methylbutane can be seen at the link below:. Symmetrical alkenes (like ethene or but-2-ene) are dealt with first. Naming Alkenes Worksheet #2 Draw the structural formula for each of the following: 2-ethyl-1-pentene 2,3-dimethyl-1-butene 2,3,4 – trimethyl-1-hexene. Alkanes, alkenes & alkynes. Day 1: Alkanes - You must know how to name and draw straight chain and branched alkanes. The structural formula can be written as e. 2 Alkane Systematic Nomenclature 2-10 Alkane Nomenclature Rules (2. Which formula represents a molecule of a. Convert each jagged line formula to a condensed structural formula. The amide suffix is appended after the hydrocarbon suffix minus the "e" : e. Name the following branched alkanes: Naming Alkanes - Worksheet #2. Worksheet: Properties of Alkenes Download. Then figure out which like groups locations on carbon numbers. The alkanes range in complexity from the simplest case of methane. For example, the 1 carbon alkane will be named: meth- plus the ending -ane = methane. Using the organic acid from #12 and the alcohol used in #9, draw the structural formula and give the IUPAC name of the ester that would be formed. Here are some basic rules for naming alkenes from the International Union of Pure and Applied Chemistry (IUPAC): The longest chain of carbon atoms containing the double bond is considered the parent chain. Alkanes are of great importance to the different classification systems and the naming of organic compounds because they consist of a carbon chain that forms the main structural unit of all organic substances. Hydrocarbons - Alkanes. This can happen in both organic and inorganic compounds, but generally occurs in organic reactions. In this worksheet, we will practice writing and interpreting the names and formulas of alkenes and describing trends in properties, such as melting points. Functional groups are structural units that determine the chemical reactivity of a molecule under a given set of conditions. The organic compound represented by the condensed structural formula CH3CH2C HO classified as an H 8. Rule 1: Find the longest continuous C -chain and assign the root name. What is a branched-chain alkane?_____ 19. We will present the rules necessary to name alkanes in this. Alkanols to alkanoic acids Common compounds. CH3CH2CH2CH2CH2CH2CH3. Draw the structural formula and write the IUPAC name of each. 12, Organic Nomenclature I: Alkanes, Cycloalkanes and Substituents we learned the systematic nomenclature for the alkane families of organic compounds. The general formula for an alkane is C n H 2n+2 where n is the number of carbon atoms in the molecule. 11E-008 Atmospheric Oxidation (25 deg C) [AopWin v1. Alkenes have at least one double bond and alkynes have at least one triple bond. 2) Replace 'ane' with 'anoic acid'. " Here I describe a systematic technique for drawing the isomers for saturated hydrocarbons (the alkanes), which have the formula C N H N+2. Naming alkanes alkenes and worksheets learny kids naming organic compounds alkanes naming alkanes worksheets lesson worksheets naming alkanes worksheet free. Consider the branched molecule below: Figure: Example of a branched alkane. Related Topics: More Lessons for IGCSE Chemistry Math Worksheets A series of free IGCSE Chemistry Lessons (Cambridge IGCSE Chemistry). Alkanes are of great importance to the different classification systems and the naming of organic compounds because they consist of a carbon chain that forms the main structural unit of all organic substances. An answer key is included. Give the molecular formula, the structural formula, the condensed structural formula, and the skeletal formula for octane (assume this is the IUPAC name). This simplified drawing assumes you know that carbon atoms make 4 bonds and that if you do not see a bond drawn assume a hydrogen is occupying the undesignated bond. The general formula for the homologous series of alkenes is CnH2n where n is the number of carbon atoms. The name of each alkane consists of a prefix that specifies the number of carbon atoms and the ending –ane. Homework: Finish the Straight Chain Alkane practice at the end of the notes. Write the molecular formula for each of these hydrocarbons without drawing condensed. page 1 of 4 Systematic Nomenclature (IUPAC System) Prefix-Parent-Suffix Parent- number of carbons Prefix- substituents Suffix- functional groups Naming Alkanes General Formula: C nH (2n+2) suffix: -ane Parent Names: 1. CH3CH2CH2CH3 And now the rest 5 carbons = pent 6 carbons = hex 7 carbons = hept 8 carbons = oct 9 carbons = non 10 carbons = dec So be brilliant and name the following alkane (shown as both condensed formula and a skeletal structure). Draw the condensed structural formula and the line-bond structure of a structural isomer of the molecule you drew in part a. Likewise, given a IUPAC name, one should be able to write a structural. It really isn't that rough of a subject if you put the time in. You also need to be able to recognize and name a few organic compounds, such as simple alkanes and alcohols (see sec. 2 of the text) and are named by changing the ane (of the alkane name) to yl. True or false? Name the test used to determine where an alkene is present. Constitutional isomers (carbon skeleton, functional group, functional group position) 3. And if we have no double bonds in this carbon chain, we're dealing with an alkane. Name and draw the two simplest alkanes. Octane has many structural isomers that differ by the amount and location of branching in the carbon chain. Naming Organic Compounds Worksheet With Answers Pdf. (d) An atomic model of ethyl butanoate. The isomers of butane 10. Chapter 1 Alkanes 15 29 Table 1. This approach. Hydrocarbon - Hydrocarbon - Nomenclature of alkenes and alkynes: Ethylene and acetylene are synonyms in the IUPAC nomenclature system for ethene and ethyne, respectively. The longest continuous chain of C. Naming Organic Compounds Worksheet With Answers Pdf. Alkane Nomenclature Name the smaller rows that branch off of the larger rows as if they were little independent alkanes of their own, better known as alkyl groups. Chemical Formula Number of Isomers C6H14 5 C7H16 9 C10H22 75 C15H32 4347 C40H82 62,500,000,000,000 Clearly a more systematic way of naming molecule is necessary and organic chemists have developed such a system, called IUPAC nomenclature (International Union of Pure and Applied Chemistry). Naming Carbocyclic Acids. Alkenes have the formula C n H 2n and alkynes use the formula C n H 2n-2. [graphic 2. 2-methlypentane 2. doc Worksheet Formula Writing. That means that the carbon skeleton looks like this: Putting in the hydrogens gives you: Example 2: Write the structural formula for but-1-ene. They will tell you if your name, chemical formula and structural formula are correct. Draw and name all cyclic and non-cyclic isomers of C4H8. C - C C l l C = C – C – C – C – C - Cl. Rule 2: Assign the suffix based on the type of carbon -carbon bonds. GOALS: Naming, molecular formula, structural formula, condensed formula, and carbon skeletal formula. Structural Formulas and Condensed Structures. Draw a condensed structural formula for the following compound. A molecular formula tells only the numbers of atoms of each element in a molecule of the compound. Straight-chain. Just like the constitutional isomers, it is possible to have different alkyl groups with the same chemical formula. Line-bond formula. Alkanols to alkanoic acids Common compounds. Alkanes are saturated (contains single C-C). What is the molecular formula for the following skeletal structure? In naming straight chain alkanes, we combine a parent root with the suffix -ane. 1 shows that the boiling points of straight-chain alkenes increase with increasing molar mass, just as with alkanes. Before you answer the puzzles below fill in the table of alkanes: name molecular formula structural formula displayed formula. Draw the structural formula for the following molecules. Thus the compound CH 2 =CHCH 3 is propene. 1 (Mean VP of Antoine & Grain. - Structural formulas, Condensed formulas, Line formulas (*Worksheet- Drawing Organic Molecules) - Alkanes, Haloalkanes, Branched-chain alkanes * VIDEOS: Representing Structures of Organic Molecules ; Naming Simple Alkanes ; Hydrocarbon Power , Organic Chemistry Introduction- Part 1 ; Carbon: The Element of Life. Can help pupils by having more or less pre-filled information. docx Author: Jose Laboy Created Date: 2/7/2014 7:15:13 PM. Draw the condensed straight-chain structures for heptane and nonane. CH 3CH 2CH 2CH 2CH 3 _____ 2. They are easy to name. Alkanes are saturated hydrocarbons with the general formula Cn H 2n+2. 4-ethyl-3-methlyheptane. name each of the first ten straight-chain alkanes, given its molecular formula, Kekulé structure, condensed structure or shorthand structure. CH 3 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 3 or CH 3 (CH 2) 6 CH 3 for octane etc. 4-ethyl-3-methlyheptane. condensed structural formula d. chem 108 Zoval. Only lines are used to represent the structure of organic. Molecules can contain both double or triple bonds and other functional groups (e. In systematic IUPAC nomenclature, the carboxylic acid's name is derived from the corresponding parent alkane. 21 understand how to draw the structural and displayed formulae for alkanes with up to five carbon atoms in the molecule, and to name the unbranched-chain isomers 4. Draw the condensed structural formula for 3-ethyl-2,2-dimethlylpentane. Review: Draw the following alkanes. Some of the names do not correspond to any alkyl group. The labels indicate that the compounds have the same number of carbon atoms, one being an alkane, one an alcohol, and the other a carboxylic acid. The principle of homology allows us to write a general formula for alkanes: C n H 2 n + 2. Alkenes can be straight chain, branched chain, or cyclic. Pupils complete the worksheet table, where they have to give the molecular formula, number of carbons, number of hydrogens and draw the structural formula of alkanes. Binary Ionic Compound Naming When naming binary (two elements) ionic compounds, always write the name of the cation first. CH 3 CH 2 CH 3 Prop ane C 3H 8 4. 9298 E-12 cm3/molecule-sec Half. 16 Name Chapter 18 Naming Cyclo Alkanes & Cyclo Alkenes Practice Worksheet Naming Cycloalkanes: The compounds we have studied so far have been either “straight” or “branched” chains. They answer three questions about valence. CH3—CH2—CH2—CH2—CH3 * Structural Formulas Alkanes are written with structural formulas that are expanded to show each bond condensed to show each carbon atom and the attached hydrogen atoms * Line-Bond Formulas Because each C atom has a tetrahedral arrangement, the order of atoms is not a straight line, but a zigzag pattern. Each member of the alkane family differs from the next by a — CH2 — group, and all the carbons are connected by single bonds. Ionic compounds 1. For a branched hydrocarbon, the longest continuous chain of carbon atoms gives the root name for the hydrocarbon 4 carbon chain = butane Rules for. Chapter 1 Alkanes 15 29 Table 1. With Main Group Elements: The cation keeps its name and the anion changes its ending to ide. The IUPAC nomenclature system is a set of logical rules devised and used by organic chemists to circumvent problems caused by arbitrary nomenclature. The three simplest families of hydrocarbons are known as the alkanes, alkenes, and alkynes. Alkanes are chains of only carbon and hydrogen, connected only by SINGLE BONDS. Substituted Alkanes: Alkyl Groups. Unfortunately, structural formulas are difficult to type/write and take up a lot of space. name each of the first ten straight-chain alkanes, given its molecular formula, Kekulé structure, condensed structure or shorthand structure. To recognize stereoisomers of organic compounds. ) CH3CH(CH3)CH2CHO. C) Briefly explain why the compounds don't produce the same heats of combustion even though they have the same. Octane is a hydrocarbon and an alkane with the chemical formula C 8 H 18, and the condensed structural formula CH 3 (CH 2) 6 CH 3. Sroichiometry-worksheet-2. Name the compound. two cycloalkanes 3. Rule 4: Assign a locator number to all substituents. Here is a list of the first 10 alkanes. Chemical suffixes. Given IUPAC systematic names of alkenes, alkynes and substituted benzenes write their structural formulas. Knowing these rules and given a structural formula, one should be able to write a unique name for every distinct compound. How to draw 2D structural formula for Alkanes (C1-C5) and Alkenes (C2-C4). a b Fujita, Shinsaku (2007). condensed structural formula c. If it was not specifed that it has to be an alkene (double bond) then there would be one more possible structure, cyclobutane. In the molecular mass but they do not show any regular trend. Compounds Examples. This means that there is only one possible structure for an alkane with molecular formula CH 4 (methane) and only one structure for an alkane with molecular formula C2H 6 (ethane). What do you think is the general formula for alkenes? 3. Draw the structural formula and write the IUPAC name of each. View Homework Help - Chapter 03 homework (1). (alkane), double (alkene), or triple (alkyne) bonds. Draw the structural formula and write the condensed molecular formula for a. 3-methylpentane c. We can collect these groups together and write the structural for-mula as CH 3(CH 2) 3CH 3. Asked in Organic Chemistry , Elements and Compounds , Hydrocarbons. They contain branches with groups such as methyl, ethyl, coming off the main branch of the molecule. Draw the structural formula and give the IUPAC name of the organic acid that would be formed. They answer three questions about valence. MP and BP increase with number of carbons in a straight chain alkane MP and BP increase with length of chain MP and BP decrease with increased number of substituents Short alkanes (methane, ethane, propane) are gases are room temp. Definitions of the important terms you need to know about in order to understand Organic Chemistry: Structure of Alkanes, including Aliphatic hydrocarbon , Alkane , Alkene , Alkyne , Aromatic hydrocarbon , Cis-trans isomerism , Condensed structural formula , Constitutional isomer , Cyclic alkane , Hydrocarbon , Isomer , IUPAC nomenclature , Line-angle structure , Methylene group , n-alkane. The line-angle structural formula shows a zigzag of 3 segments forming 2 angles, with. Alkanes(and(Alkenes(Worksheet(How can we distinguish between alkanes and alkenes? Aim: To work out the best way to distinguish alkanes from alkenes. They are easy to name. Given IUPAC systematic names of alkenes, alkynes and substituted benzenes write their structural formulas. The carbon atom in an alkane has four sp 3 hybridized and. Draw the Kekulé, condensed, and skeletal structure for the continuous chain alkane with the formula C. alkanes and key answers Alkanes And Key Answers Alkanes And Key Answers *FREE* alkanes and key answers Alkanes Worksheet ANSWERS 1. Simple alkenes often have common names, but all alkenes can be named by the system of the International Union of Pure and Applied Chemistry and have the ending -ene. It only has simple C-H bonds throughout its whole structure. Nonane is a linear alkane hydrocarbon with the chemical formula C 9 H 20. the molecular (or empirical) formula. Alkanes vary by the repeated unit CH 2, and have the general formula C nH 2n+2. Draw the line bond structures of following types of hydrocarbons using four carbon atoms: a. Alkanes are aliphatic hydrocarbons that only contain single bonds. Examples: Condensed Structur al Formula (Structural formula obtained by omitting some or all of the dashes representing covalent bonds and then using a subscript to indicate the number of identical groups attached to an atom) Bond-Line Structural Formula. Alkane Nomenclature Rules (2. [graphic 2. Conformational Isomers. 1 Structure of methane Tetrahedral shapeà A. Effects on Basicity. Straight-chain. The non-hydrogen atoms of functional groups are always associated with each by covalent bonds , as well as with the rest of the molecule. Cycloalkanes are named by adding the prefix cyclo to the name of the alkane. doc Worksheet-Chapter13- Molality. Naming alkanes alkenes and worksheets learny kids naming organic compounds alkanes naming alkanes worksheets lesson worksheets naming alkanes worksheet free. Day 1: Alkanes - You must know how to name and draw straight chain and branched alkanes. Please try again later. propyl alcohol + H2S04 b. Consult your textbook for more details and examples. Draw the structural formula for the following molecules. They answer three questions about valence. If a noncyclic alkane contains 15 carbon atoms, how many hydrogen atoms does it contain? 2. 1-Pentanol, (or n-pentanol, pentan-1-ol), is an alcohol with five carbon atoms and the molecular. Draw the structural formula and give the IUPAC name of the organic acid that would be formed. The three simplest families of hydrocarbons are known as the alkanes, alkenes, and alkynes. Refer to Table 11. Alkene Chemical Formula Structural Formula Ethene C 2 H 4 Propene C 3 H 6 Butene C 4 H 8 Pentene Hexene 1. Alkanes have the general molecular formula, C n H 2n+2, where n = number of carbon atoms in the alkane molecule. This gives a 4-carbon chain (butane). Molecular formula: Structural formula: Condensed structural formula: Skeletal formula (line diagram): 4. They will tell you if your name, chemical formula and structural formula are correct. Including examples of straight chain alkanes presented in condensed molecular formula, structural formula, and line or skeletal structure. Draw the structural formula for each of the following: 2-ethyl-1-pentene. Draw the structural formula from its condensed structural formula. Nonane is also used as a solvent, distillation chaser, fuel additive, and a component in biodegradable detergents. Nomenclature system to name and write formulas for alkanes and substituted alkanes. Answer: Cycloalkanes. •Also called carbon chemistry. View Homework Help - Chapter 03 homework (1). Remember the following: Carbons on the end of a chain are attached to three hydrogens. does a complete structural formula differ from a condensed structural formula? - ShovJ5 OJI ahvß - 4qovJ6 clubkrA If isomers of an alkane have the same molecular formula, how do they differ? Why does a 4 carbon linear alkane, butane C4H10, haye two more hydrogens atoms than a 4 carbon cyclic alkane, cyclobutane, C4H8. The longest continuous chain of C. Alkanes Nomenclature Worksheet 1. Their structure is defined by a reactive carbon-carbon double bond, they have a general formula of CnH2n, they can be named by following a series of simple steps, they have many uses in nature as well as in industrial and laboratory settings, and some of their most. Give the number and name of the side chains before naming the root chain. Write either formula and the name for each. Name Formula Name. Geometric Isomers. DON'T count your hydrogens - figure them out!!! a. doc Stoichiometry. Trivial naming system is widely used in naming alkanes. In this alkanes worksheet, students complete a table with the chemical formula, the structural formula and the condensed formula of various alkanes given different numbers of carbon atoms. Topics Covered: Chiral vs. Methane exists as a tetrahedral shape, but it is often represented by a flattened structure as are most organic compounds. Rule 4: Assign a locator number to all substituents. A hydrocarbon that has a ring of carbon atoms in its structure a. Name the compound. Alkanes ­ Worksheet ­ ANSWERS 1. Straight-chain. Molecular formula: Line bond structural formula: Condensed structural formula: Skeletal formula: 6. chem 108 Zoval. Properties of Matter Quiz. H2C - CH2 (ignore the dots). Common names are given in parenthesis. Alkane names are based on the number of carbon atoms in the longest continuous chain in the compound. Related Topics: More Lessons for IGCSE Chemistry Math Worksheets A series of free IGCSE Chemistry Lessons (Cambridge IGCSE Chemistry). Condensed structural formula for the given alkane has to be written. Topics for the quiz include interpreting a condensed structural formula and a correct skeletal. Name: _____ Period: _____ Simmer Down Inc. Many alkanes are so-called branched alkanes. For a branched hydrocarbon, the longest continuous chain of carbon atoms gives the root name for the. p and lower b. This longest chain may not be written in a straight line. Retrieved 29 March 2019. doc Worksheet-chapters-13-14. Thus, CH 2 =CH 2 stands for The double bond is shared by the two carbon atoms and does not involve the hydrogen atoms, although the condensed formula does not make this point obvious. In this alkanes worksheet, students complete a table with the chemical formula, the structural formula and the condensed formula of various alkanes given different numbers of carbon atoms. A normal hydrocarbon alkane is one where all the carbon atoms in the molecule are in a "continuous" chain. Alkenes are a critical molecular family in the study of organic chemistry. doc Worksheet-Chapter13- Molality. DON'T count your hydrogens - figure them out!!! a. Basic formula. Gases Examples Chemical Properties Examples. and specify the position of the C=O with a number at the beginning of the name. Matching Match the terms below with their correct definitions. Before you answer the puzzles below fill in the table of alkanes: name molecular formula structural formula displayed formula. Name this alkane. Once you have done your own meet up with at least 8 other classmates and write the name and structural formula of their compound in your chart. This can happen in both organic and inorganic compounds, but generally occurs in organic reactions. Guidelines for Naming Branched-Chain Hydrocarbons. Distinguish between a straight or continuous chain and a branched chain. View Homework Help - Chapter 03 homework (1). Alkanes all have the general molecular formula of CnH2n plus 2, where n is the number of carbons that are in your molecule. Worksheet: Properties of Alkenes Download. Take a look at the following examples. Draw the structural formula and write the IUPAC name of each. Alkane Nomenclature Rules (2. We will learn the naming of organic compounds in next sections. When naming the alkenes, we use the suffix “ene” instead of “ane” at the end of the name of an alkane. line structure d. 2 Classes and functional groups of organic compounds Class Functional Group Example of expanded structural formula Example of condensed IUPAC / Common name Alkane None H C H C H H H H CH3CH3 ethane Alkene CC C ethene (ethylene) H H C H H H2CCH2 Alkyne CC C CH HC CH ethyne (acetylene) Aromatic CC C C C C CC C C C. Knowing these rules and given a structural formula, one should be able to write a unique name for every distinct compound. Alkane Nomenclature Name the smaller rows that branch off of the larger rows as if they were little independent alkanes of their own, better known as alkyl groups. Instead of the usual format for chemical formulas in which each element symbol appears just once, a condensed formula is written to suggest the bonding in the molecule. Give the molecular formula, the structural formula, the condensed structural formula, and the. doc Worksheet-chapters-13-14. Compounds derived by substitution for one of the hydrogen atoms in an alkane with another atom or group can be named simply as derivatives of that alkyl group. Branched alkanes differ from continuous-chain alkanes in that carbon chains substitute for a […]. Double & triple bonds are assigned the lowest possible number. Draw the condensed structural formula for 3-ethyl-2,2-dimethlylpentane. Worksheet 3. Periodic Table Facts.   6 Draw the condensed structural formula of: a a primary alcohol b a secondary alcohol. One of these isomers, 2,2,4-trimethylpentane (commonly called iso-octane) is used as one of the standard. 4E-008 Mackay model : 1. Explanation: One has a chain of four carbon atoms. Key Questions 8. Which of the following is the condensed formula. Draw the expanded structural formula for the following condensed formula. methane CH 4. Alkenes are. The simple answer is: IUPAC name is 2,2-dimethylpropane (molecular formula - C(CH3)4) Structure For those into it, a little primmer on common names associated with branched alkanes. Create structural formulas for organic molecules based on a given name. Compounds Examples. explain the difference in structure between a straight- and a branched-chain alkane, and illustrate the difference using a suitable example. A normal hydrocarbon alkane is one where all the carbon atoms in the molecule are in a "continuous" chain. Alkanes can be described by the general formula C n H 2n +2. Alkanes vary by the repeated unit CH 2, and have the general formula C nH 2n+2. methoxypentane b. (© Wiley-VCH Verlag GmbH & Co. Rule 2: Assign the suffix based on the type of carbon -carbon bonds. Example n=5, so H= (2 (5) +2)=12. The number of hydrogen atoms is written as subscript. Describe naming branched-chain alkanes. doc Worksheet-Chapter-13-Molarity. The standard system for naming esters uses the suffix -oate to indicate that a molecule is an ester. Complete the structural formula for the alkenes above. Knowing these rules and given a structural formula, one should be able to write a unique name for every distinct compound. formula Condensed structural formula We can write structural formulas for alkanes in still another abbreviated form. Line bond structure:. Sroichiometry-worksheet-2. Cis- and trans- terminology. Butane exists in the form of two structural isomers. 2A) The following rules illustrate the basic principles for naming simple branched alkanes. The middle carbon atom is bonded to the three outer carbon atoms and one hydrogen atom. Carbon atoms can also form rings which result in the formation of cyclic alkane molecules with the general formula C n H 2n. Alkanes Worksheet and Key 1. CH 3CH 2CH 2CH 2CH 3 _____ 2. If they are attached together in a linear (i. Naming’and’Drawing’Alkenes’Worksheet’and’Key’ 1)##Draw#and#name#the#cis#and#trans#condensed#structure#of:# cis#condensed#structure:# trans#condensed#structure:#. Molecular formula: Structural formula: Condensed structural formula: Skeletal formula (line diagram): 4. 1-chloro-2-methylbutane h. Each isomer has a unique Lewis structure which allows for easy naming. 2A) The following rules illustrate the basic principles for naming simple branched alkanes. Acids, bases and salts. A straight-chain and a branched-chain alkane can have the same molecular formula. The formal name for norbornane is bicyclo[2. Discuss the uses and benefits of using different chemical formulae methods. chem 108 Zoval. Have each member of your group sight down the C2—C3 bond of a model to simulate the perspective shown by the Newman projection in Model 4. If a noncyclic alkane contains 15 carbon atoms, how many hydrogen atoms does it contain? 2. Organic Chemistry : Naming Alkanes (Straight Chain Alkanes) Worksheet : This chemistry activity asks students to name the basic alkanes (methane to decane), to draw their chemical Lewis structures, and to write out the condensed formula given the skeletal structure. a b Fujita, Shinsaku (2007). The names methane through decane should be memorized, since they constitute the. I couldn't find another worksheet, but the workbook covers these topics. Lecture 10 - Organic Compounds: Alkanes Chem101 8 Propane (C3H8) H. doc third-9-week test. In this section, the class of alkanes is the subject and the ending (rest of the name) will be -ane. The more carbons you have the more structures are possible, but that is it for alkenes of C4H8. does a complete structural formula differ from a condensed structural formula? - ShovJ5 OJI ahvß - 4qovJ6 clubkrA If isomers of an alkane have the same molecular formula, how do they differ? Why does a 4 carbon linear alkane, butane C4H10, haye two more hydrogens atoms than a 4 carbon cyclic alkane, cyclobutane, C4H8. GOALS: Naming, molecular formula, structural formula, condensed formula, and carbon skeletal formula. CH 3COOCH 2CH 2CH(CH 3)CH 3 or CH 3CO 2CH 2CH 2CH(CH 3)CH 3 b. Worksheet 3. Objective: Today I will be able to: Differentiate between organic and inorganic compounds Differentiate between alkanes, alkenes, alkynes and cyclic hydrocarbons Determine the molecular and structural formula of a compound Evaluation/Assessment: Informal assessment: monitoring student interactions as they complete the activity Formal assessment: analyzing student responses to the activity. For haloalkanes, maximum two functional groups per molecule. Thus the compound CH 2 =CHCH 3 is propene. Condensed Structural Formula. The names in bold are the preferred IUPAC ketone name. The atoms in hydrocarbons are linked by single, double, or triple bonds. Naming an organic compound requires several steps. •Carbon is in group 4 on the periodic table and so has 4 “spaces” to form bonds. Find the parent chain. The ultimate condensed formula is a line-angle formula An organic chemical formula in which carbon atoms are implied at the corners and ends of lines. Many alkanes are so-called branched alkanes. cycloalkane 3. Covalent compounds. Before you answer the puzzles below fill in the table of alkanes: name molecular formula structural formula displayed formula. Naming Worksheets Chemistry Worksheets Naming Compounds. doc Types of Chemical Reactions. 51 , when naming the structure the part. For example, there are five C 6 H 14 isomers, shown below as abbreviated line formulas (A through E):. The IUPAC nomenclature system is a set of logical rules devised and used by organic chemists to circumvent problems caused by arbitrary nomenclature. branched alkanes as "alkyl-substituted" unbranched alkanes. Line bond structure:. 3 Draw a molecule of ethene, and draw the structure of polyethene. EXPERIMENT 1: Survival Organic Chemistry: Molecular Models. cycloalkane. You draw in the structural formulas. Naming Organic Compounds Worksheet With Answers Pdf. Alkenes may have single or double bonds. Day 1: Alkanes - You must know how to name and draw straight chain and branched alkanes. 2-propanol c. This is similar to what we did in class. (d) An alkane that has a molecular mass of 84. The International Union of Pure and Applied Chemistry (IUPAC) is developing the rules for naming compounds. We used only condensed structural formulas in Table 13. out line or partially-condensed structures, as shown below: (Back to the Top) 8. 5 CYCLOALKANES AND SKELETAL STRUCTURES Some alkane contain carbon chains in closed loops, or rings; these are called cycloalkanes. They answer three questions about valence. Finally, draw the structural formula (condensed structures or line formulas are just fine) for each of. CH 3 CH 3 (ethane), CH 3 CH 2 CH 2 CH 2 CH 3 or CH 3 (CH 2) 3 CH 3 pentane. Finding the longest continuous carbon chain can be tricky as illustrated by the above structures. Name 12, 13. • Isobutane, “isomer of butane” • Isopentane, isohexane, etc. - All alkanes with four carbons are butanes, those with five carbons are pentanes, etc. This is shown using the example of ethyl propanoate:. All the alkenes with 4 or more carbon atoms in them show structural isomerism. Sroichiometry-worksheet-2. It does not have any functional group, hence alkanes are quite inert in nature. Related Topics: More Lessons for IGCSE Chemistry Math Worksheets A series of free IGCSE Chemistry Lessons (Cambridge IGCSE Chemistry). Video includes several practice problems for recognition of line structure, condensed formula, and structural formulas. , but the style of molecular representation above would be described as an shortened, abbreviated or condensed structural formulae. Start studying Condensed Structuaral Formula for Alkanes. Derived the general formula of Alkanes CnH2n+2. All Rights Reserved. Condensed Formula = COMBINATION of both STRUCTURAL and MOLECULAR formulas; each carbon is written with its constituent hydrogens followed by the proper subscript Ex: Propane = CH 3 CH 2 CH 3. CaC 2; (calcium carbide) Define the term 'catenation'. 2 Classes and functional groups of organic compounds Class Functional Group Example of expanded structural formula Example of condensed IUPAC / Common name Alkane None H C H C H H H H CH3CH3 ethane Alkene CC C ethene (ethylene) H H C H H H2CCH2 Alkyne CC C CH HC CH ethyne (acetylene) Aromatic CC C C C C CC C C C. Finding the longest continuous carbon chain can be tricky as illustrated by the above structures. Naming Organic Compounds Worksheet With Answers Pdf. The longest carbon chain that contains the carboxyl group and the highest possible number of functional groups of the compound is the parent chain. Give the molecular formula, the line bond structural formula, the condensed structural formula, and the skeletal structure for pentane. Knowing these rules and given a structural formula, one should be able to write a unique name for every distinct compound. Draw the structural formula and write the IUPAC name of each. The three simplest families of hydrocarbons are known as the alkanes, alkenes, and alkynes. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Alkane Nomenclature Name the smaller rows that branch off of the larger rows as if they were little independent alkanes of their own, better known as alkyl groups. Naming alkanes alkenes and worksheets learny kids naming organic compounds alkanes naming alkanes worksheets lesson worksheets naming alkanes worksheet free. Draw the line bond structural formula, the condensed structural formula, and the skeletal structural formula for 2-pentene. Draw the structural formula for each of the following: 2-ethyl-1-pentene. Alkanes have the general chemical formula C n H 2n+2. Combining the names of functional groups with the names of the parent alkanes generates a powerful systematic nomenclature for naming organic compounds. Atomic number quiz. Due to the general structure of alkenes, they always have twice as many hydrogens as carbons. Name that longest chain with the appropriate alkane name. John Oliver Summer 2018 Introduction: Chemistry 11 Course Outline-Summer 2018 Intro + Lesson 1 Data Booklet Workbook: Hebden: Chemistry 11 (purchase $25. Alkanes can exist in straight chains, chains with branching, and cycles. Hydrocarbons Lesson (focus on Alkanes) - class/homework: Draw the chemical formula, structural formula, condensed structural formula and line drawing for Ethane, Pentane, Butane and Octane. The general formula for the homologous series of alkenes is CnH2n where n is the number of carbon atoms. Prefix # of Carbons Name Molecular Formula a. You must know the first ten alkanes and their names as they are in the basis of naming and understanding the structure of any other functional groups. Match each of the following alkyl groups with its group name. CH 3CH(CH 3)CH 2CH 2NHCH 3 e. Alkanes: Molecular and Structural Formulas This group of compounds comprises a homologous series with a general molecular formula of C n H 2 n +2 , where equals any integer. two noncyclic alkanes HC b. Condensed Name Structural Formula CH3-CH2CH3-CH3-CH2CH2CH3-CHCH3 1,1-dimethylethyl (tert-butyl) 1-methylpropyl (sec-butyl) 2-methylpropyl (isobutyl) butyl CH3 CH3 CH3 CH3-CH2CH2CH2 CH 3-CH2CHCH3-CHCH2CH3-CCH3 Condensed Name Structural Formul Nomenclature - IUPAC 16 Nomenclature - Common • The number of carbons in the alkane determines the name. Start studying Condensed Structuaral Formula for Alkanes. The names in bold are the preferred IUPAC ketone name. Name period mr lawson s science page naming alkanes worksheet 1 quia naming alkanes worksheet 1 naming alkanes worksheet 1 ms popov naming alkanes worksheet 1 answers. 2A) The following rules illustrate the basic principles for naming simple branched alkanes. CH 3 CH 3 Eth ane C 2H 6 3. Naming Alkanes. Knowing these rules and given a structural formula, one should be able to write a unique name for every distinct compound. Condensed structural formula: Name: Naming branched chain alkanes: 1) find longest carbon chain 2) number the carbons in the longest chain • (start at carbon closest to a branch) 3) Name the branches 4) assemble the name: ! Number where alkyl group is - alkyl group name name of alkane Condensed structural formula: Condensed structural formula. Name that longest chain with the appropriate alkane name. CH 3 CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 CH 3 or CH 3 (CH 2) 6 CH 3 for octane etc. Write down the IUPAC name when given the structural formula or condensed structural formula for compounds from the homologous series above, restricted to one functional group per compound, except for haloalkanes. This means that there is only one possible structure for an alkane with molecular formula CH 4 (methane) and only one structure for an alkane with molecular formula C2H 6 (ethane). JAGGED LINE FORMULA WORKSHEET 1. Notice, the table only has the prefix portion of the name. las work just as well. GOALS: Naming, molecular formula, structural formula, condensed formula, and carbon skeletal formula. Naming Organic Compounds Worksheet With Answers Pdf. Acids, bases and salts. For example, the compound shown to the right is called "isobutyl chloride" in trivial nomenclature and "1-chloro-2-methylpropane" in systematic nomenclature. CH3CH CH3 CHCH3 Cl c.   7 Write an equation for the complete. CH 3C(CH. Draw the condensed structural formula of each of the following molecules: 2,4-dimethylpentane. Alkanes are the first group of organic compounds. (Draw all hydrogen atoms. Although the part of the ester from the alcohol (ethyl) is on the right, and the part from the carboxylic acid (butan-) is on the left in Figure 4. 29 (Mean or Weighted MP) VP(mm Hg,25 deg C): 52. name each of the first ten straight-chain alkanes, given its molecular formula, Kekulé structure, condensed structure or shorthand structure. Name period mr lawson s science page naming alkanes worksheet 1 quia naming alkanes worksheet 1 naming alkanes worksheet 1 ms popov naming alkanes worksheet 1 answers. Alkanes Worksheet - Alkanes Worksheet 1 Answer the following a What is the general formula for an alkane b If a saturated alkane had 15 carbon atoms in the condensed structural formula, and the skeletal formula (line drawing) for and the skeletal formula for octane (assume this is the IUPAC name). 2 Alkanes An introduction to alkanes 2. (5 points) There are 8 isomers of C 7 H 16. doc Stoichiometry. (m3/ug)): Mackay model : 2. Introduction to Organic Nomenclature and Functional Groups Chapter Outline 2. Finally, draw the structural formula (condensed structures or line formulas are just fine) for each of. Draw the line bond structural formula, the condensed structural formula, and the skeletal structural formula for 2-methyl-3-heptene. What Is Given? You are given the name of the compound. The General Formula of the alkane is C n H 2n+2. Naming Alkenes Worksheet #2. Old chemical names. Alkanes, alkenes & alkynes. The following table lists the IUPAC names assigned to simple continuous-chain alkanes from C-1 to C-10. Make certain that you can define, and use in context, the key term below. Naming alkanes alkenes and worksheets learny kids naming organic compounds alkanes naming alkanes worksheets lesson worksheets naming alkanes worksheet free. butane 2methylpropane 2. ethane CH3─CH3 B. Molecular formula: Structural formula:. This can happen in both organic and inorganic compounds, but generally occurs in organic reactions. Straight-chain. What is the condensed structural formula for an alkane with four carbon atoms? Organic Chemistry Radical Reactions Radical Halogenation of Alkanes. Structural Formula Wikipedia. Video 3 - Naming Branched Chain Alkanes. Naming Organic Compounds Worksheet With Answers Pdf. We used only condensed structural formulas in Table 13. In this alkanes worksheet, students complete a table with the chemical formula, the structural formula and the condensed formula of various alkanes given different numbers of carbon atoms. Alkenes may have single or double bonds. This approach. Remember the following: Carbons on the end of a chain are attached to three hydrogens. Alkanes have the general molecular formula, C n H 2n+2, where n = number of carbon atoms in the alkane molecule. Please note that the -CH 3 structural feature in the condensed structures is called a methyl group, and the -CH 2 is methylene. If a noncyclic alkane contains 15 carbon atoms, how many hydrogen atoms does it contain? 2. Naming Worksheets Chemistry Worksheets Naming Compounds. Including examples of straight chain alkanes presented in condensed molecular formula, structural formula, and line or skeletal structure. For example, there are three structural iso-. (Remember that the side groups are shown in brackets after the carbon atom to which they are attached). Draw the condensed structural formula for 3,3,4-triethyl-4-methylhexane. Alkanes can be written in structural formula or condensed formula. This means that there are two or more different structural formulae that you can draw for each molecular formula. Start studying Condensed Structuaral Formula for Alkanes. It really isn't that rough of a subject if you put the time in. For cyclic alkanes, carbon must still have four bonds, hence each carbon is attached to two others and two hydrogens are groups may be attached to each carbon (structure on the right). For example, C 4 H 10 could be either of these two different molecules: These are called respectively butane and 2-methylpropane. Naming Alkanes. I couldn't find another worksheet, but the workbook covers these topics. Name the following branched alkanes: Naming Alkanes - Worksheet #2. Example 1: Write the structural formula for propene. Complete structural formula Condensed structural formula. Topics Covered: Constitutional isomers. Naming an organic compound requires several steps. , but the style of molecular representation above would be described as an shortened, abbreviated or condensed structural formulae. Name Formula Name. We will learn the naming of organic compounds in next sections. 86E-007 Octanol/air (Koa) model: 5.   7 Write an equation for the complete. Functional groups are structural units that determine the chemical reactivity of a molecule under a given set of conditions. the molecular (or empirical) formula. Spectroscopic techniques are used in the structural identification of organic and inorganic compounds. Effects on Basicity. Alkanes can be described by the general formula C n H 2n+2. Draw the line bond structural formula, the condensed structural formula, and the skeletal structural formula for 2-methyl-3-heptene. Likewise, given a IUPAC name, one should be able to write a structural. Ionic compounds 2. The name of each alkane consists of a prefix that specifies the number of carbon atoms and the ending –ane. Naming alkanes alkenes and worksheets learny kids naming organic compounds alkanes naming alkanes worksheets lesson worksheets naming alkanes worksheet free. Beginning with butane (C 4 H 10), and becoming more numerous with larger alkanes, we note the existence of alkane isomers. View Homework Help - Chapter 03 homework (1). Give the molecular formula, the structural formula, the condensed structural formula, and the. Each carbon atom is joined to two hydrogen atoms with two extra hydrogens at the end of the molecule. 2-methlypentane 2. Which of the following is the condensed formula. Draw line-wedge-dash, Lewis, condensed, and skeletal structures of alkanes. The general formula for alkanes above was C n H 2n+2. Molecular formula: Structural formula:. We will learn the naming of organic compounds in next sections. As with alkanes, IUPAC rules specify a systematic nomenclature for naming cycloalkanes. Some terminologies are explained below: normal: straight-chain compounds are considered normal and abbreviated to n-. This chemical formula will stand true for all saturated hydrocarbons. name each of the first ten straight-chain alkanes, given its molecular formula, Kekulé structure, condensed structure or shorthand structure. The alkane with the formula C4H10 is butane. Since each carbon is bonded to the maximum possible number of atoms, alkanes are described as being saturated compounds. In this section, the class of alkanes is the subject and the ending (rest of the name) will be -ane. The general formula for an alkane is C n H 2n+2 where n is the number of carbon atoms in the molecule. Find the parent chain. The first has been done for you. In this the lengthy carbon chain is shown only with the carbon atoms (along with the hydrogen) without any bonds. All Rights Reserved. Give the name and molecular formula for each compound below. Draw the condensed structural formula for the following alkanes: 3-ethyl-2,3-dimethylhexane 5-tert-butyl-3,4,6-trimethylnonane Nomenclature of Branched -Chain Alkanes. 2,4-pentanol 2. Alkanes: Molecular and Structural Formulas This group of compounds comprises a homologous series with a general molecular formula of C n H 2 n +2 , where equals any integer. The formula for a saturated hydrocarbon is (1) C6H6 (3) C6H12 (2) C6H10 (4) C6H14 47. Naming Organic Compounds Worksheet With Answers Pdf. 2-chloro-2-iodopropane. 16 Name Chapter 18 Naming Cyclo Alkanes & Cyclo Alkenes Practice Worksheet Naming Cycloalkanes: The compounds we have studied so far have been either “straight” or “branched” chains.