General, Organic, and Biological Chemistry: Structures of Life (5th Edition)

Published by Pearson
ISBN 10: 0321967461
ISBN 13: 978-0-32196-746-6

Chapter 16 - Carboxylic Acids and Esters - 16.2 Properties of Carboxylic Acids - Questions and Problems - Page 589: 16.11

Answer

a) Butanoic acid has a greater molar mass, and would therefore have a higher boiling point. b) Propanoic acid can form dimers, which would double the molar mass. A doubled molar mass means propanoic acid has a higher boiling point. c) Butanoic acid can form dimers, which would double the molar mass. A doubled molar mass means butanoic acid will have a higher boiling point.

Work Step by Step

a) Butanoic acid has a greater molar mass, and would therefore have a higher boiling point. b) Propanoic acid can form dimers, which would double the molar mass. A doubled molar mass means propanoic acid has a higher boiling point. c) Butanoic acid can form dimers, which would double the molar mass. A doubled molar mass means butanoic acid will have a higher boiling point.
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