Transition metals form compexes in thei...

Transition metals form compexes in their zero oxidation state. The example of the above fact is :

A

`Mn_2(CO)_10`

B

`[Cu(NH_3)_4]Cl_2`

C

`Zn_2[Fe(CN)_6]`

D

`[Ag(NH_3)_2]OH`

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The correct Answer is:

A

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