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Select the correct statement (s) for the...

Select the correct statement (s) for the coordination compound
`K_(2)[Cr(NO^(+))(NH_(3))(CN)_(4)].`

A

Its IUPAC name is potassium amminetetracyanidonitrosoniumchromate (I).

B

Its' spin only' magnetic moment is 8 B.M.

C

Its hybridisation is `d^(2)sp^(3)`

D

It shows geometrical isomerism

Text Solution

Verified by Experts

(A,C,D)
Option (A) is correct according to IUPAC nomenclature. Cr is in +1 oxidation state and `CN^(-)` is strong field ligand. So,

One electron is unpaired in 3d subshell, so magnetic moment `=sqrt(1(1+2))=sqrt()3B.M.`
It can exist in two geometrical isomers as given below:
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