Question

42. Which of the following compounds will not
undergo aldol condensation ?
(A) Ethanal
(B) Propanal
(C) 2, 2, 2-Tricholoroethanal
(D) 2,2-Dibromoethanal.​

Answer 1

Answer:

Option c

Explanation:

Aldol condensation occurs only in the compounds having alpha hydrogen. Since in 2,2,2-Trichloroethanal there is no alpha hydrogen it can't undergo Aldol condensation.

Answer 2

Answer:

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\mathbb{NICE...QUESTION}NICE...QUESTION

ƲƦ ƇƠƦƦЄƇƬ ƠƤƬƖƠƝ

Aldehydes that do not undergo aldol condensation are

1. propanal

2. trichloroethanal

3. methanal

4. ethanal

5. benzaldehyde

(a) 3 and 4 only

(b) 3 and 5 only

(c) 1, 2 and 3 only

(d) 2, 3 and 5 only

→ [B]