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Which of these reagents would accomplish...

Which of these reagents would accomplish the following reduction?
`N -= C-CH_2 - overset(O) overset(||)C-CH_2-CH=CH_2 rarr N -=C-CH_2 - overset(OH)overset(|)underset(H)C-CH_2-CH=CH_2`

A

`NaBH_4`

B

`LiAlH_4`

C

1 mole `H_2`, poisomed catalyst, low pressure

D

`H_3O^+`

Text Solution

Verified by Experts

`NaBH_4` will not reduces alkene & cyano group.
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