Number of amines which will form colourful dye with $\mathrm{HNO}_{2}$ and form azodye with

Number of amines which will form colourful dye with $\mathrm{HNO}_{2}$ and form azodye with
  1. 2
  2. 4
  3. 6
  4. 3

Solution

Amines I, IV, VII will form azo dye. ^

Asked in: JEE-TOPICTESTS-CHEMISTRY

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