Question

Self condensation of two moles of ethyl acetate
in presence of sodium ethoxide yields
(a) acetoacetic ester
(b) methyl acetoacetate
(c) ethyl propionate
(d) ethyl butyrate

Answer 1

Answer:

(a) acetoacetic ester

On condensation of two moles of ethyl acetate in presence of sodium ethoxide, gives ethyl acetoacetate (ester). This condensation is an example of claisen condensation because it is possible in that ester which has an alpha hydrogen atom.

Answer 2

Answer:

Ethyl acetate undergoes Claisen condensation in presence of sodium ethoxide involving α-hydrogen atom in which two molecules of ethyl acetate combine together to form acetoacetic ester.

Answer ---› A) Acetoacetic ester.

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