The correct statement regarding addition of sodium hydrogen sulphite to a carbonyl compound is (A) The attack happens by the

Question

The correct statement regarding addition of sodium hydrogen sulphite to a carbonyl compound is
(A) The attack happens by the negative charge on oxygen
(B) The rate of addition is always greater for ketones than aldehydes
(C) Bisulphite addition product cannot be hydrolysed in basic medium
(D) It can be used as a method to purify and separate aldehyde

Kunduz · Accepted Answer

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