Aldehydes that do not undergo aldol condensation are (1) propanal (2) trichloroethanal (3) 2- phenylethanal (4) ethanal (5) benzaldehydeA. 3 and 4 onlyB. 2 and 5 onlyC. 1, 2 and 3 onlyD. 2, 3 and 5 only

Aldehydes that do not undergo aldol condensation are (1) propanal (2)

1.	Aldehydes that do not undergo aldol condensation are (1) propanal (2) trichloroethanal (3) 2- phenylethanal (4) ethanal (5) benzaldehydeA. 3 and 4 onlyB. 2 and 5 onlyC. 1, 2 and 3 onlyD. 2, 3 and 5 only
Answer» Correct Answer - B The carbonyl compound must contain an `alpha`-hydrogen atom, for it to undergo aldol condensation.

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Aldehydes that do not undergo aldol condensation are (1) propanal (2) trichloroethanal (3) 2- phenylethanal (4) ethanal (5) benzaldehydeA. 3 and 4 onlyB. 2 and 5 onlyC. 1, 2 and 3 onlyD. 2, 3 and 5 only

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