KCET · Chemistry · Surface Chemistry

The correct sequence of reactions to be performed to convert benzene into m-bromoaniline is

A bromination, nitration, reduction
B reduction, nitration, bromination
C nitration, reduction, bromination
D nitration, bromination, reduction

Verified Solution

Answer & Solution

Correct Answer

(D) nitration, bromination, reduction

Step-by-step Solution

Detailed explanation

First step is nitration, because in the desired product bromine is substituted at the m-position and nitro group is \( \mathrm{m} \) -
directing group, then followed by bromination of nitrobenzene, then, reduction of nitro group to amine group

Benzene

directing
Step(2)

Step(3) \( \quad m \)-Bromoaniline

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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