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Which of the following statements is not...

Which of the following statements is not true ?

A

`MnCl_(4)^(-)` ion has tetrahedral geometry and is paramagnetic .

B

`[Mn(CN)_(6)]^(2-)` ioh has octahedral geometry and is paramagnetic.

C

`[Cu(CN)_(4)]^(3-)` has square planar geometry and is diamagnetic.

D

`[Ni(Ph_(3)P)_(2)Br_(3)]` has trigonal bipyramidal geometry and is paramagnetic.

Text Solution

Verified by Experts

The correct Answer is:
C
(C ) `[Cu(CN)_(4)]^(3-),[Ar]^(18)3d^(10),` As there is no empty d-orbital for `dsp^(2)` hybridization. So it has `sp^(3)` hybridisation and is tetrahedral, and diamagnetic.
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