ChemistryNEET 2024Nucleophilic addition reactions

Aldehydes, Ketones and Carboxylic Acids

Fehling's solution 'A' is:

A.alkaline copper sulphate
B.alkaline solution of sodium potassium tartrate (Rochelle's salt)
C.aqueous sodium citrate
D.aqueous copper sulphate✓

Solution

Fehling's solution A is aqueous copper(II) sulphate; Fehling's B is alkaline sodium potassium tartrate. They are mixed just before use.

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