In which of the following complexes, nic...

In which of the following complexes, nickel is in the highest oxidation state ?

A

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

B

`K_(2)NiF_(6)`

C

`[Ni(CO)_(4)]`

D

`[Ni(CN)_(4)]^(2-)`.

Text Solution

Verified by Experts

The correct Answer is:

B

Nickel has +4 oxidation state.

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Knowledge Check

In which of the following compounds nitrogen exhibits highest oxidation state?

A

`N_2H_4`

B

`NH_3`

C

`N_3H`

D

`NH_2OH`

In which of the following compounds , nitrogen exhibits highest oxidation state ?

A

`N_(2)H_(4)`

B

`NH_(3)`

C

`N_(3)H`

D

`NH_(2)OH`

Which of the following complexes is a chelate ?

A

`[Co(NH_(3))_(6)]Br_(3)`

B

`K_(3)[Ag(S_(2)O_(3))_(2)]`

C

`[Fe(C_(2)O_(4))_(3)]^(3-)`

D

`[Pt("phen")_(2)][Pt(CO_(3))_(2)]`.

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