Give Fehling solution test for identification of aldehyde group (only – InterviewSolution

1.

Give Fehling solution test for identification of aldehyde group (only equations). Name the aldehyde which does not give Fehling’s soln.

Answer»

R — CHO + 2 Cu²⁺ + 5 OH^– → RCOO^– + Cu₂O + 3 H₂O (Reddish brown ppt.)

Benzaldehyde does not give Fehling soln. test (Aromatic aldehydes do not give this test.)

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