NEET 2008 Chemistry question

ChemistryAldehydes, Ketones and Carboxylic AcidsNEET 2008

The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of

Answer: (2)

Solution

In nucleophilic acyl substitution the rate depends on the quality of the leaving group: the weaker the base, the better the leaving group (weaker bases are conjugate bases of stronger acids), and also on the electron donation to the carbonyl carbon. Leaving groups: (weakest base) >

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Question ID VK-090024