Question

Which of the following gives reddish brown precipitate on heating with a solution of CuSO₄ and alkaline sodium potassium tartarate?
(a) Ethanol
(b) Ethanal
(c) Propanone
(d) Ethanoic acid

Answer 1

ethanol gives reddish brown precipitate on heating with a solution of CU S o4 and alkaline Sodium Potassium tartrate

Answer 2

Answer:b. Ethanal

Explanation:

Aldehydes give reddish brown precipitate on heating with alkaline solution of sodium potassium tartarate (fehling solution)