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In nitroprusside ion the iron and NO exi...

In nitroprusside ion the iron and NO exist as Fe (II) and `NO^(+)` rather than the Fe(III) and NO. these forms can be differentiated by

A

Estimating the concentration of iron

B

Measuring the concentration of `CN^(-)`

C

Measuring the solid state magnetic moment

D

Thermally decomposing the compound

Text Solution

Verified by Experts

The correct Answer is:
C
The nitroprusside ion is `[Fe(CN)_(6)NO^(+)]^(2-)`. The magnetic moment measurement reveal the presence of 4 unpaired electrons in Fe which must be then in `Fe^(++)(3d^(6))` and not `Fe^(+ + +) (3d^(5))`
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