MHT CET Chemistry question

Fluorobenzene can be synthesized in the laboratory

(A)from aniline by diazotization followed by heating the diazonium salt with Correct
(B)by direct fluorination of benzene with gas
(C)by reacting bromobenzene with NaF solution
(D)by heating phenol with HF and KF

Answer: (A)

Solution

Fluorobenzene is made by the Balz-Schiemann reaction: aniline is diazotised, treated with to give the diazonium fluoroborate, which on heating gives , and

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Question ID VK-082549