In which compound, the oxidation state of nitrogen is -1 [MP PMT 1989]

1.	In which compound, the oxidation state of nitrogen is -1 [MP PMT 1989]
A.	\[NO\]
B.	\[{{N}_{2}}O\]
C.	\[N{{H}_{2}}OH\]
D.	\[{{N}_{2}}{{H}_{4}}\]
Answer» D. \[{{N}_{2}}{{H}_{4}}\]

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In which compound, the oxidation state of nitrogen is -1 [MP PMT 1989]

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