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Question
In order to prepare flurobenzene from benzenediazonium chloride, which of the following reagents is used?
In order to prepare flurobenzene from benzenediazonium chloride, which of the following reagents is used?
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Solution
The correct option is D Fluroboric acid
Diazonium chloride on treating with HF/BF3 yields benzene diazonium fluoroborate. This is when heated undergoes decomposition to give fluorobenzene. It is also called Balz-Schiemann reaction. The reaction is as follows:
Diazonium chloride on treating with HF/BF3 yields benzene diazonium fluoroborate. This is when heated undergoes decomposition to give fluorobenzene. It is also called Balz-Schiemann reaction. The reaction is as follows:
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