For the identification of β -naphthol using dye test, it is necessary to use

For the identification of β -naphthol using dye test, it is necessary to use
  1. Dichloromethane solution of β -naphthol.
  2. Acidic solution of β -naphthol.
  3. Neutral solution of β -naphthol.
  4. Alkaline solution of β -naphthol.

Asked in: JEE Advanced 2014 (Paper 2)

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