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underset(CH(2)OH)overset(CH(2)OH)(" | ...

`underset(CH_(2)OH)overset(CH_(2)OH)(" | ") overset(PBr_(3))(rarr)Aoverset(KCN)underset(excess)(rarr)Boverset(H_(3)O^(+))underset(heat)(rarr)C`
In the above sequence of reaction the end product `(C )` is

A

`underset(CH_(2)CN)overset(CH_(2)CN)(" | ") `

B

`underset(CH_(2)CH_(2)CN)overset(CH_(2)CH_(2)CN)(" | ")`

C

`underset(CH_(2)COOH)overset(CH_(2)COOH)(" | ")`

D

`underset(CH_(2)CH_(2)NH_(@))overset(CH_(2)CH_(2)NH_(2))(" | ")`

Text Solution

Verified by Experts

The correct Answer is:
C
Compound `(A)` is ethylene dibromide which forms cyanide on treatment with `KCN`. Hydrolysis of cyanide yields carboxylic acid:
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