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Q. Benzoic acid can be prepared by reacting phenyl magnesium bromide with

NTA AbhyasNTA Abhyas 2022

Solution:

Solution
The reaction of phenyl magnesium bromide on dry ice form a Grignard adduct which upon acid hydrolysis gives benzoic acid. In this reaction the Grignard reagent gets attached to a carbon atom and the oxygen double bond of carbon dioxide. The product we get is benzoic acid.