MHT CET 2023 Chemistry question

Which among the following reactions occurs by breaking of C-O bond in alcohol?

(A)Reaction with propionic acid
(B)Reaction with acetic anhydride
(C)Reactin with phosphorus trichlorideCorrect
(D)Reaction with acetyl chloride

Answer: (C)

Solution

Reactions of alcohols are of two kinds: those in which the O-H bond breaks (the alcohol acts as a nucleophile, e.g. esterification with carboxylic acids, acid anhydrides and acid chlorides) and those in which the C-O bond breaks (the OH group is replaced, e.g. with

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Question ID VK-094585