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Question

PhCH=CHCHO+CH3CH=CHCHObase−−−−−→EtOH,Δ(A)87% ; Product of this reaction is :

A
Ph(CH=CH)2CHO
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B
Ph(CH=CH)3CHO
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C
Ph(CH=CH)4CHO
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D
PhCH=CHCH=CHCH3
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Solution

The correct option is B Ph(CH=CH)3CHO
It is a Aldol condensation reaction.
Here, only but-2-enal has acidic hydrogen which on deprotonation gives enolate ion. This enolate ion will attack the 3-phenylacrylaldehyde to form aldol product.



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