`P+Qoverset(Aq.K_(2)CO_(3))underset(Delta)toRoverset(HCN)toSoverset(H_(3)O^(+))underset(Delta)toPh=CH-underset(OH)underset(|)CH-COOH` The compound S i
`P+Qoverset(Aq.K_(2)CO_(3))underset(Delta)toRoverset(HCN)toSoverset(H_(3)O^(+))underset(Delta)toPh=CH-underset(OH)underset(|)CH-COOH`
The compound S is :
A. `Ph=CH=CH-CN`
B. `Ph-CH=CH-underset(OH)underset(|)CH-CN`
C. `Ph-underset(CN)underset(|)overset(OH)overset(|)(C)-CH=CH_(2)`
D. `Ph-CH_(2)-CH=Ch-underset(OH)underset(|)(CH)-CN`
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Correct Answer - (B)
Aldol condensation between ` PhCHO` and `CH_(3)CHO` followed by reaction with HCN.
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