Q. Aldol condensation of acetaldehyde involves the formation of which of the following intermediate

 2057  204 Aldehydes Ketones and Carboxylic Acids Report Error

Solution:

Aldol condensation of aldehyde involves the formation of which of the carbanion as the reaction intermediate in the first step by removal of from the aldehyde by the base.
This enolate ion is resonance stabilised.
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