Answer to Question #57709 in Organic Chemistry for reena
what is the difference between these reactions.
the blue solution loses its colour and red substance precipitates. Ketones don’t react with this reagent.
Fehling’s solution contains Cu2+, namely, the bistartratocuprate (II), which is reduced to Cu2O (red
precipitate) during the reaction with aldehydes:
R-CHO + 2Cu2+ + 2H2O → R-COOH + Cu2O + 4H+
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