In order to prepare fluorobenzene from benzene diazonium chloride which of the following reagent is used
A. Fluorine
B. HF
C. Hydrofluorosilicic acid
D. Fluoboric acid

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1 Answers

Correct Answer - D
`C_(6)H_(5)N_(2)+Cl^(-)overset(HBF_(4))underset(-HCl)rarr C_(6)H_(5)N_(2)^(+)BF_(4)^(-)overset(Delta)underset(-N_(2),-BF_(3))rarr underset("Fluorobenzene")(C_(6)H_(5)F)`

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