MHT CET Chemistry question

Which of the following reactions is used to prepare aryl fluorides from diazonium salts and fluoroboric acid? [MHTCET 2018]

Answer: (B)

Solution

The diazonium salt with HBF4 forms the diazonium fluoroborate, which on heating gives the aryl fluoride (Balz-Schiemann reaction); Sandmeyer

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Question ID VK-082586