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The reagents A, B and C respectively are...


The reagents A, B and C respectively are

A

`H_(2)//Pd`, PCC, `NaBH_(4)`

B

`NaBH_(4)`, alk. `KMnO_(4)`, `H_(2)//Pd`

C

`NaBH_(4)`, PCC, `H_(2)//Pd`

D

`H_(2)//Pd`, alk. `KMnO_(4)`, `NaBH_(4)`

Text Solution

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The correct Answer is:
B

(b):
`:.` A = `NaBH_(4)`, B = alk. `KMnO_(4)` and C = `H_(2)//Pd`. `NaBH_(4)` does not reduce double bond. However, catalytic hydrogenolysis `(H_(2)//Pd)` reduces both double bond and the carbonyl group.
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