Chemistry 10th Edition

Published by Brooks/Cole Publishing Co.
ISBN 10: 1133610668
ISBN 13: 978-1-13361-066-3

Chapter 23 - Organic Chemistry I: Formulas, Names, and Properties - Exercises - Aliphatic Hydrocarbons - Page 945: 11

Answer

(a) Alkyl groups are considered as substituents on parent chain in an organic compound. They are formed by removal of a hydrogen atom from alkane chain. (b) Structures of alkyl groups Methyl $-CH_{3}$ Ethyl $-CH_{2}CH_{3}$ Propyl $-CH_{2}CH_{2}CH_{3}$ Butyl $-CH_{2}CH_{2}CH_{2}CH_{3}$ Pentyl $-CH_{2}CH_{2}CH_{2}CH_{2}CH_{3}$ (c) Alkyl group is derived from the name of the corresponding alkane by replacing the -ane suffix with -yl, e.g., methyl, $CH_{3}$, from methane, $CH_{4}$, and ethyl, $C_{2}H_{5}$, from ethane, $C_{2}H_{6}$.

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