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Naming Organic Compounds 1 Name each of the following organic compounds according to the IUPAC system. Write each answer in the space provided. a H c H H H H C C C H Cl H b H H H H H H H C C C C d H H H f H H C C C H H O O H CH3 H e C OH H H H H C C C O H H H H H H H C C C C H OH H H H H H H H H C C C C C C H H H H H H H H H H C C C C H H H H H H Drawing Structures for Organic Compounds The structural formula for butane can be represented as: Draw structural formula for each of the following organic compounds. H a 2-methylbutane b propan-2-ol c butanoic acid d propyl ethanoate e 2,3-dichloropentane f but-2-yne ORGANIC FAMILIES © NZQA - ALL RIGHTS RESERVED H PAGE 3/6 ASSESSMENT GUIDE: CHEMISTRY - MAY 1998 Structural Isomers of Organic Compounds Draw 4 structural isomers for the alkene C6H12. Which of the following are structural isomers of butane? Write the letters of the molecules of your choice in the box below. a CH3 - CH2 - CH2 - CH3 b CH3 - CH2 - CH3 c CH3 - CH2 - CH2 - CH2 - CH3 d CH3 - CH(CH3) - CH3 Structural isomers are ORGANIC FAMILIES © NZQA - ALL RIGHTS RESERVED PAGE 3/6 ASSESSMENT GUIDE: CHEMISTRY - MAY 1998 ORGANIC FAMILIES Unsaturated hydrocarbons will readily undergo addition reactions. Draw the structural formula for the product of each of the following addition reactions. H a H C=C H H b + HBr + H2O H + Br2 H + H2 H H C=C H H c H H H C=C C H H d H H H C=C C H H Polymerisation Reactions Addition polymers are formed by the addition of a larger number of alkene monomer molecules. For each of the following draw two of the repeating units of the addition polymer. monomer a H CN C=C H b H H Cl C=C H c two repeating units of the polymer Cl H H C=C H CH3 ORGANIC FAMILIES © NZQA - ALL RIGHTS RESERVED PAGE 5/6 ASSESSMENT GUIDE: CHEMISTRY - MAY 1998 Reactions Involving Alcohols, Carboxylic Acids and Esters 1 Alcohols can be oxidised to form carboxylic acids. Complete the following equations by giving the name or structural formula of the carboxylic acid product. a methanol + oxidising agent b butan-1-ol + oxidising agent c H d H H H C C H H H H + oxidising agent OH O H H H C C C H H H OH + oxidising agent 2 Esters are formed when alcohols react with carboxylic acids in the presence of a suitable catalyst. Complete the following equations by giving the name or structural formula of the ester product. a methanol + ethanoic acid b butan-1-ol + methanoic acid c H d H H H C C H H H H O H H H C C C H H H +H OH H H C C C H H O OH H OH + H ORGANIC FAMILIES © NZQA - ALL RIGHTS RESERVED C C H O OH PAGE 5/6 ASSESSMENT GUIDE: CHEMISTRY - MAY 1998