The international union of pure and applied chemistry iupac names for alkynes parallel those of alkenes, except that the family ending is yne rather than ene. Alkanes, alkenes, and alkynes are made up of carbon and hydrogen. Carboncarbon pbond of alkenes and alkynes can be reduced to the corresponding saturated cc bond. The first three alkynes are gases, and the next eight are liquids. Naming, molecular formula, structural formula, condensed formula, and carbon skeletal formula. Since the cc can be located in different positions in unbranched alkenes with four or more cs, they have structural isomers. We often refer to alkanes as aliphatic hydrocarbons, because the physi cal properties of the higher members of this class resemble those of the long carbonchain. When we discuss the chemical reactions of alkenes, we will see that the primary site of reaction is the double bond and the most common type of reaction is the addition of atoms to the double bond to make a saturated molecule. Chemically, the alkynes are similar to the alkenes.
Alkanes chemical nomenclature assigns compounds a unique name that allows them to be easily identified and structurally understood. In this context, saturated means that each carbon has the maximum number of hydrogens bonded to it. Naming and drawing alkenes for each, draw a structural diagram line, condensed or complete. Functional group organic chemistry worksheets teaching ideas health fitness learning studying teaching health and fitness. The international union of pure and applied chemistry iupac is the organization that assigns names to chemical compounds, and these names generally have three. These worksheets are generally given to students after they have learned how to build and draw structural formulas for these simple organic molecules an. Worksheet naming and drawing alkanes and alkynes answers. The properties of alkynes pretty much follow the same pattern of those of alkanes and alkenes. In the presence of certain catalysts called initiators, many alkenes form polymers by the addition of monomers greek.
All alkynes are odourless and colourless with the exception of ethylene which has a slight distinctive odour. Naming and drawing alkynes and cyclic hydrocarbons. They are also sometimes referred to as olefins or as unsaturated compounds. Organic chemistry is the study of carbon compounds, so the study of organic chemistry is important because all living things are based on carbon compounds. Quiz 70 most hydrogen atoms are not shown for clarity 1 2 cc c c c c cc cc c c c c 3 4 c c c cc c c br c c c c c c c c c 5 6 c ccc ff f c ccc cc h h 7 8.
Alkanes you must know how to name and draw straight chain and branched alkanes. Naming and drawing alkynes and cyclic hydrocarbons date. Alkenes and alkynes worksheet name the following hydrocarbons. By using this naming alkanes worksheet with answers, you. Since cc bonds have sp2 hybridized c, atoms or groups directly attached to a cc bond lie in a plane and are separated by approximately 120 bond angles. May 4, 2017 alkane alkene alkyne worksheet imperialdesignstudio. These worksheets are for practicing organic chemistry nomenclature for basic saturated and unsaturated hydrocarbons. Ch 2 ch 2 br i ch 3 c ch2 c c f 2,6dibromo4chloro1fluoro4methyl1hexene i i cl br br i ch c.
Page 1 naming alkynes o naming alkynes is just like naming alkanes o to start, replace the ending ane with yne o triple bonds get the lowest possible number on the parent carbon chain. Compound composed of only carbon and hydrogen and single bonds. Worksheet alkanes alkanes are the simplest organic compounds. The reaction uses h2 and a precious metal catalyst. Alkanes and alkenes shopping list game to revise structures a cut and stick activity for alkanes and alkenes. Write the name of each of the hydrocarbon molecules shown below. The reaction of acetylene with bromine is a typical example. Determination of the % fe in an unknown by titration. Mathematically, this can be indicated by the following general formulas.
Learn the important physical and chemical properties of the alkanes. Some other functional groups contain nitrogen atoms, such as the amines and amides. They called unsaturated because the c atoms in a cc double bond dont have as many hydrogens bonded to them as an alkane does. Check your understanding alkanes, branched alkanes lesson. Alkanes 2 organic chemistry nowadays almost drives me mad. Alkanes are less dense than water and swim on top of water 2. Compounds with at least one double or triple bond 2. To work out the best way to distinguish alkanes from alkenes.
Addition of h2 across the pbond of an alkene to give an alkane. Ch 2 ch 2 br i ch 3 c ch2 c c f 2,6dibromo4chloro1fluoro4methyl1hexene. Alkenes alkynes arenes cc alkanes carbon carbon multiple bonds cx x f, cl, br, i. Many functional groups contain oxygen atoms, such as alcohols, ethers, aldehydes, ketones, carboxylic acids, and esters. Worksheets are alkanes work and key, work alkanes, naming and drawing alkenes work and key, alkanes and alkenes work, work naming and drawing alkanes, chem 401 lab exercise 5 nomenclature work for, work for organic chemistry, naming alkynes work 1 c4 305. The longest hydrocarbon chain is selected and is termed as parent chain in case of alkanes. Properties of alkanes alkenes and alkynes nomenclature isomers preparation of alkenes and alkynes additions to alkenes and alkynes electrophilic additions hydration hydrogenation halogenation mechanisms and stereochemistry polymerization oxidations of alkenes and alkynes dienes reactions of dienes terpenes and rubber. Name the parent hydrocarbon by locating the longest carbon chain that contains the double bond and name it according to the number of carbons with the suffix ene. Though these three hydrocarbon varieties are similar, there is a difference in bonding. Preparations alkenes are generally prepared through. Alkane naming worksheet condensed structural formula name 1. By using this naming alkanes worksheet with answers, you will. As a result of the double or triple bond nature, alkenes and alkynes have fewer hydrogen atoms than comparable alkanes with the same number of carbon atoms.
The simple difference between alkanes, alkenes, and alkynes. An organic molecule is one in which there is at least one atom of carbon, while a hydrocarbon is a molecule which only contain the atoms hydrogen and carbon. For each write the correct tupac namc for cach, draw a structural diagram inc, condensed or complete 17. Alkynes are similar to alkenes in both physical and chemical properties. Exercise 1115 alkynes react more slowly than alkenes with permanganate and usually give dicarbonyl compounds. The carbon atoms in each exhibit a valency of four. The three simplest families of hydrocarbons are known as the alkanes, alkenes, and alkynes. Naming alkanes, alkenes and alkynes drawing structures. By using this naming alkanes worksheet with answers, you will be surprised by the result relationworksheetus naming alkanes worksheet with answers worksheet, in the words authentic impying, is a sheet of paper on which one performs work. For any alkanes, alkenes, alkynes, aromatic compounds, carboxylic acids or alcohols, provide the iupac name of the molecule.
Nomenclature worksheet 7 naming hydrocarbons petroleum or crude oil is a mixture of hydrocarbons, which are molecules that contain only carbon and hydrogen. Oc02 alkenes, alkynes and cyclic hydrocarbons worksheet answers. Compound composed of only carbon and hydrogen saturated hydrocarbons. The physical properties of alkenes are much like those of the alkanes. In addition, the type of bonding in organic compounds is almost always covalent.
Acces pdf alkanes worksheet with answers alkanes worksheet with answers if you ally dependence such a referred alkanes worksheet with answers book that will manage to pay for you worth, get the unconditionally best seller from us currently from several preferred authors. Preparations include the dehydration of alcohols, the dehydrohalogenation of alkyl halides, and. Quiz 70 most hydrogen atoms are not shown for clarity 1 2 cc c c c c cc cc c c c c 3 4 c c c cc c c br c c c c c c c c c 5 6 c ccc ff f c ccc cc h h 7 8 c ccc c 2 2 c no no c ccc 2 c nh. Alkane alkene alkyne worksheet imperialdesignstudio. These worksheets are generally given to students after they have learned how to build and draw structural formulas for. Quiz simple branched chain alkanes 2a, 2b, 2c please complete at home. Alkenes and alkynes alkenes alkynes spectrometric features of cc and c. Microsoft word naming and drawing alkenes worksheet and key. Learn the iupac system for naming alkanes and cycloalkanes.
Historically, chemists developed names for new compounds without any systematic guidelines. Alkanes, alkenes and alkynes a hydrocarbon that contains no double bonds is called an alkane, or hydrocarbon containing only single bonds. Rules underlying iupac nomenclature of alkanes, alkenes, and alkynes are discussed below. They contain only c and h and all of the carbons are sp3 hybridized. Nov 04, 2011 alkanes and alkenes shopping list game to revise structures a cut and stick activity for alkanes and alkenes. Practice exercise organic chemistry i alkynes synthesis and. Compound with only single bonds unsaturated hydrocarbons.
This text is published under creative commons licensing, for referencing and adaptation, please click. Alkenes, alkynes, and aromatic compounds hydrocarbons with multiple bonds. For example, alkynes undergo many of the typical addition reactions of alkenes. These worksheets are for practicing organic chemistry nomenclature for basic. Unbranched alkenes are analogous to unbranched alkanes. Alkenes and alkynes, on the other hand, are unsaturated hydrocarbons. Naming hydrocarbons diman regional vocational technical. Alkanes and alkenes worksheet igcse coordinated sciences. Hydrocarbons 365 unit after studying this unit, you will be able to name hydrocarbons according to iupac system of nomenclature. Saturated compounds contain single bonds only and unsaturated compounds contain double or triple bonds. Alkanes, alkenes, alkynes and cyclic hydrocarbons worksheet name or draw the following compounds.
Click on popout icon or print icon to worksheet to print or download. Organic nomenclature alkanes, alkenes, alkynes naming organic compounds can be a challenge to any chemist at any level. Alkanes, cycloalkanes, alkenes, alkynes, and aromatics. Alkanes, alkenes, and alkynes are all organic hydrocarbons. Carbon is unique in that it can form up to four bonds in a compound, so they can easily bond with other carbon atoms, forming long chains or rings. What is the change in oxidation state of carbon in this reaction. Molecules with one double bond are called monounsaturated. In this century, the need for standardization was recognized. As a result of the double or triple bond nature, alkenes and alkynes have fewer hydrogen atoms than comparable alkanes with the same number.
Finish the straight chain alkane practice at the end of the notes. Alkynes are unsaturated carbon that shares a triple bond at the carbon site. Nomenclature of alkanes, alkenes and alkynes iupac. Naming hydrocarbons diman regional voctech serving.
Alkane alkene alkyne worksheet imperialdesignstudio with. Naming and drawing alkynes and cyclic hydrocarbons for each write the correct iupac name. Alkenes and alkynes from organic chemistry by robert c. Oc02 alkenes, alkynes and cyclic hydrocarbons worksheet. Determination of an equilibrium constant using spectroscopy. In case of alkenes double bond linkages are seen and in alkynes, triple bond linkages are present. Draw the structural formula for each of the following. I couldnt find another worksheet, but the workbook covers these topics. Draw the line bond structures for the following alkenes, cyclic alkenes, and alkynes. Alkanesandalkenesworksheet how can we distinguish between alkanes and alkenes.