Which is the most suitable reagent for the following transformation?

1.	Which is the most suitable reagent for the following transformation?
A.	\[Zn(Hg)-HCl\]
B.	\[LiAi{{H}_{4}}\]
C.	\[{{N}_{2}}{{H}_{4}}/NaOH/Heat\]
D.	\[NaB{{H}_{4}}\]
Answer» D. \[NaB{{H}_{4}}\]

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Which is the most suitable reagent for the following transformation?

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