Q.

The sequence of steps involved in aromatic nucleophilic substitution involving a benzyne intermediate is :

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a

Elimination-addition

b

Elimination-rearrangement

c

Addition-rearrangement

d

Addition-elimination

answer is B.

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Detailed Solution

Aromatic nucleophilic substitution is a two step process with sodamide (Strong base).
Step-1 : Elimination of HX and formation of benzyne.
Step-2 : Addition of NH2 – on benzyne

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