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JEE Main202118 Mar 2021Morning ShiftChemistryGeneral Organic ChemistryActual

Reagent, 1 - naphthylamine and sulphanilic acid in acetic acid is used for the detection of

Options

  1. AN 2 O
  2. BNO 3 -
  3. CNO
  4. DNO 2 -

Correct answer

D. NO 2 -

Step-by-step solution

For detection of NO 2 - , the following test is used. NO 2 - + CH 3 COOH → HNO 2 + CH 3 COO -

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