Aldehydes and Ketones - Result Question 42

43. Base catalysed aldol condensation occurs with

$(1984,1 M)$

(a) propionaldehyde

(b) benzaldehyde

(c) $2$ -methyl propionaldehyde

(d) $2, 2$ -dimethyl propionaldehyde

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Answer:

Correct Answer: 43. (a,c)

Solution:

  1. For base catalysed aldol condensation, there must be at least one $\alpha-H$ to carbonyl group.

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