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Question

Dry distillation of a mixture of calcium acetate and calcium formate forms :

A
methanol
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B
ethanal
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C
ethanol
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D
acetone
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Solution

The correct option is C ethanal

Calcium salts of carboxylic acid on crossing with each other form ketones/aldehydes with the alkyl parts derived from different carboxylic groups.

When a mixture of calcium acetate and calcium formate is heated, CH3CHO and CaCO3 is formed.

Here, the alkyl part is derived from acetate and the aldehyde part is derived from formate. So ethanal is formed.

Hence,

40503_29542_ans_ffdf1e3e91bd4bb4bc8b8d9aa6e55c64.png

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