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Which of the following is true for the c...

Which of the following is true for the complex `Co(NO_(2) )(Cl)_(2) .5NH_(3)` (Co is in + 3 oxidation state)

A

It shows linkage isomerism

B

It show ionisation isomerism.

C

It is inner orbital complex

D

It is diamagnetic.

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
`[Co(NH_(3))_(5)(NO_(2))]Cl_(2) and [Co(NH_(3))_(5)Cl]Cl(NO_(2))` are ionisation isomers.
`[co(NH_(3))_(5)(NO_(2))]Cl_(2) and [Co(NH_(3))_(5)(ONO)]Cl_(2)` are linkage isomers.
Cobalt in +3 oxidation state has `3d^(6)` configuration which has higher CFSE. So the complex is inner orbital ( i.e. `d^(2)sp^(3)` hybridisation ) and diamagnetic.
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