Question

Anitrogeneous substance X is treated with HNO₂ and the product So formed is further treated with NaOH solution, which produces blue colouration. X can be

• A. CH₃CH₂NH₂
• B. CH₃CH₂NO₂
• C. CH₃CH₂ONO
• D. (CH₃)₂CHNO₂

Answer 1

Answer: (D)

(CH₃)₂CHNO₂

Answer 2

(CH₃)₂CHNO₂ $\overset{\quad HNO_{2}\quad}{\rightarrow}(CH_{3})_{2}\underset{\begin{aligned} & | \\ & N = O \end{aligned}}{C - NO_{2}}$

(Pseudo nitrol blue)