In which of the following complexes the ...

In which of the following complexes the nickel metal is in highest oxidation state:

A

`[Ni(CO)_4]`

B

`[Cr(NH_3)_6]_2[NiF_6]_3`

C

`[Ni(NH_3)_6](BF_4)_2`

D

`K_4[Ni(CN)_6]`

Text Solution

Verified by Experts

The correct Answer is:

B

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Knowledge Check

In which of the following complex the nickel metal is in highest oxidation state?

A

`Ni(CO)_(4)`

B

`K_(2)NiF_(6)`

C

`[Ni(NH_(3))_(6)](BF_(4))_(2)`

D

`K_(4)[Ni(CN)_(6)]`

In which of the following complexes the metal ion is in zero oxidation state?

A

`[Cu(NH_3)_4]Cl_2`

B

`Zn_2[Fe(CN)_6]`

C

`Mn_2(CO)_(10)`

D

`[Ag(NH_3)_2]Cl`

In which of the following compounds the metal is in the lowest oxidation state

A

`[Co(NH_(3))_(5)Br]_(2)SO_(4)`

B

`Fe_(3)[Fe(CN)_(6)]_(2)`

C

`Mn_(2)(CO)_(10)`

D

`K[PtCl_(3)(C_(2)H_(4))]`

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In which of the following compounds carbon is in highest oxidation state ?

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