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Question

Consider the following reactions:
CH3COOHCaCO3−−−−→AHeat−−−→B
The compound B is_____________.

A
an ether
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B
an alcohol
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C
an aldehyde
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D
a ketone
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Solution

The correct option is D a ketone
The complete reaction sequence is as follows:
CH3COOHCaCO3−−−(CH3COO)2CaHeat−−CH3COCH3
Initially, a calcium salt ((CH3COO)2Ca) is formed.
Calcium salts of carboxylic acid on heating yield ketones and aldehydes (if the acid is formic acid).

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