question_answer

In the reaction, A is                     [NEET 2013]

A) \[HgS{{O}_{4}}/{{H}_{2}}S{{O}_{4}}\]

B) \[C{{u}_{2}}C{{l}_{2}}\]

C) \[{{H}_{3}}P{{O}_{2}}\]and\[{{H}_{2}}O\]

D) \[{{H}^{+}}/{{H}_{2}}O\]

Correct Answer: C

Solution :

[c] When diazonium salt is treated withfollowed by hydrolysis, it diazonium group is replaced by —H resulting to the formation of hydrocarbon. Thus, A must be