Nitrogen Containing Compounds Question 95

Question: Primary nitro compounds when react with $ HNO_2 $ forms crystalline solids which on treatment with NaOH gives

Options:

A) Red solution

B) Blue solution

C) White precipitate

D) Yellow coloration

Show Answer

Answer:

Correct Answer: A

Solution:

$ \underset{1^{o}nitro}{\mathop{R-CH_2-NO_2}},\xrightarrow{HNO_2}\underset{\text{Nitroloic acid}}{\mathop{R-\underset{N-OH,}{\mathop{\underset{||}{\mathop{C}},-NO_2}},}}, $ $ \xrightarrow{NaOH}\underset{\text{(Blood red)}}{\mathop{\underset{N-{{O}^{-}}N{{a}^{+}}}{\mathop{\underset{||}{\mathop{R-C,}}-NO_2}},}}, $