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Question

Aldol condensation between which of the following two compounds followed by dehydration gives methyl vinyl ketone?

A
Formaldehyde and acetone
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B
Formaldehyde and acetaldehyde
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C
Two molecules of acetone
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D
Two molecules of acetaldehyde
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Solution

The correct option is B Formaldehyde and acetone
Aldol condensation of formaldehyde and acetone gives
CH2O+CH3COCH3HOCH2CH2COCH3

Heating the product gives of methyl vinyl ketone.
HOCH2CH2COCH3ΔCH2=CHCOCH3

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