In which of the following compound transition metal has zero oxidation state [CBSE PMT 1999; BHU 2000]

In which of the following compound transition metal has zero oxidation

1.	In which of the following compound transition metal has zero oxidation state [CBSE PMT 1999; BHU 2000]
A.	\[Cr{{O}_{5}}\]
B.	\[N{{H}_{2}}.N{{H}_{2}}\]
C.	\[NOCl{{O}_{4}}\]
D.	\[[Fe{{(CO)}_{5}}]\]
Answer» E.

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In which of the following compound transition metal has zero oxidation state [CBSE PMT 1999; BHU 2000]

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