Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 20 - Sections 20.1-20.14 - Exercises - Problems by Topic - Page 994: 58d

Answer

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Work Step by Step

These structures for alkenes are made according to the nomenclature system rules set by the IUPAC. 1. The base name indicates the number of carbon atoms present in the longest continuous carbon chain. In this case, Pentene indicates 5 Carbon atoms. Also, '-ene' indicates the presence of double bonds in the structure. 2. The numbering of Carbon atoms starts from the left-hand side. 3. The double bond is present between the carbon number 2 and 3. A carbon atom can form 4 bonds, therefore the hydrogen atoms are placed accordingly. 4. An Ethyl group is present on carbon number 3 and a Methyl group is present of carbon number 4.
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