Question

Which of the following statement are correct?

• A. $3^{\circ}$ nitro compound does not react with $HNO _{2}$.
• B. $2^{\circ}$ nitro compound with $HNO _{2}$ gives pseudo nitrole, which gives blue colour with base.
• C. $1^{\circ}$ nitro compound with $HNO _{2}$ gives nitrolic acid, which gives blood-red colour with base.
• D. $1^{\circ}, 2^{\circ}$, and $3^{\circ}$ nitro compounds can be distinguished by $HNO _{2}$.

Answer 1

Answer: (A), (B), (C), (D)

Correct answer is (a) $3^{\circ}$ nitro compound does not react with $HNO _{2}$.Correct answer is (b) $2^{\circ}$ nitro compound with $HNO _{2}$ gives pseudo nitrole, which gives blue colour with base.Correct answer is (c) $1^{\circ}$ nitro compound with $HNO _{2}$ gives nitrolic acid, which gives blood-red colour with base.Correct answer is (d) $1^{\circ}, 2^{\circ}$, and $3^{\circ}$ nitro compounds can be distinguished by $HNO _{2}$.