Fundamentholfundamenthol
NEET2023Chemistry
Q.

Identify the product in the following reaction:

  1. A

    1

  2. B

    2

  3. C

    3

  4. D

    4

Solution

Step (i): Sandmeyer-type reaction with /HBr replaces the diazonium group with bromine, giving bromobenzene ().

Step (ii): Mg in dry ether inserts into the C–Br bond to form the Grignard reagent phenylmagnesium bromide ().

Step (iii): Hydrolysis with water protonates the carbanion, replacing with to yield benzene.

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