Question

Which of the following will give red precipitate when reacted with complexes formed by copper sulphate and sodium tartarate ?

• A. $CH_3CHO$
• B. $CH_3COCH_3$
• C. $CH_3CHOOH$
• D. C_2H_5COOH

Answer 1

Answer: (A)

$CH_3CHO$

Answer 2

The correct option is (A): $CH_3CHO$.