question_answer

The compound      Forms nitro so amines when the substituents are  [Roorkee 1999]

A)                 \[{{R}_{1}}=C{{H}_{3}},\,{{R}_{2}}={{R}_{3}}=H\]

B)                 \[{{R}_{1}}={{R}_{2}}=H,\,\,{{R}_{3}}={{C}_{2}}{{H}_{5}}\]

C)                 \[{{R}_{1}}=H,\,\,{{R}_{2}}={{R}_{3}}=C{{H}_{3}}\]

D)                 \[{{R}_{1}}=C{{H}_{3}},\,\,{{R}_{2}}={{C}_{2}}{{H}_{5}},\,\,{{R}_{3}}=H\]

Correct Answer: C

Solution :

                      Sec. Amine reacts with Nitrous acid to form nitro so amine yellow liquid.