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A colourless liquid A ( b . p . 184 ° C ) is sparingly soluble in warm water to which it gives feebly alkaline. On treating with N a N O 2 and dil H C l in the cold solution, it yields a solution which reacts with an alkaline solution of β - naphthol to give an orange yellow precipitate. Compound A is–

Options

  1. AC 6 H 5 N 2 C l
  2. BC 6 H 5 N H N H 2
  3. Cn - C 4 H 9 N H 2
  4. DC 6 H 5 N H 2

Correct answer

D. C 6 H 5 N H 2

Step-by-step solution

Aniline undergoes diazotization reaction in the presence of N a N O 2 and H C l , forms benzene diazonium salt. Then followed by diazo coupling reaction with beta nephathol.

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