Chemistry, asked by Faisalmuhammed7733, 1 year ago

please give the mechanism of Liebermann's test for phenols and for second degree amines.

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Answered by Raju2392

12

When phenol is reacted with NaNO2 and concentrated H2SO4, it provides a deep green or blue colour which changes to red on dilution with water. Generated substance in presence of NaOH / KOH restores original green or blue colour. This reaction is termed as Liebermann's nitroso reaction.

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