question_answer

Reaction of nitrous acid with aliphatic primary amine in the cold gives     [MP PET/PMT 1998; CBSE PMT 1994]

A)                 A diazonium salt              

B)                 An alcohol

C)                 A nitrite               

D)                 A dye

Correct Answer: B

Solution :

                                                    But \[R-N{{H}_{2}}\underset{\text{cold}}{\mathop{\xrightarrow{4N{{O}_{2}}}}}\,R-OH+{{N}_{2}}+{{H}_{2}}O\]