Question Detail

CHM 102 Carboxylic Acid Derivatives: Nomenclature, Synthesis, and Reactions Objective Question

Question

How is a symmetrical acid anhydride prepared from a carboxylic acid?
Options
A Reduction with LiAlH4
B Strong heating of two carboxylic acid molecules to remove water
Correct Answer
C Reaction with SOCl2
D Reaction with NH3
Correct Answer

Option B is the correct answer.

Detailed Explanation

Heating two molecules of a carboxylic acid under dehydrating conditions gives a symmetrical anhydride: 2 RCOOH → (RCO)2O + H2O.

Hint

Removal of water between two acid molecules.

Question Info