question_answer

                Aryl fluoride may be prepared from arene diazonium chloride using:                   JEE Main Online Paper (Held On 09 April 2013)

A)                 \[{{\operatorname{HBF}}_{4}}/\Delta \]                                              

B) \[{{\operatorname{HBF}}_{4}}/\operatorname{N}a\operatorname{N}{{\operatorname{O}}_{2}},\operatorname{Cu},\Delta \]                

C)                 \[\operatorname{Cu}\operatorname{F}/\operatorname{H}\operatorname{F}\]                

D)                 \[\operatorname{Cu}/\operatorname{H}\operatorname{F}\]                

Correct Answer: A

Solution :