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In nitroprusside ion, the iron and NO ex...

In nitroprusside ion, the iron and `NO` exist as `Fe(II)` and `NO^(+)` rather than `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 existence of `Fe^(2+) and NO^(+)` in Nitroprusside ion `[Fe(CN)_5NO]^(2-)` can be established by measuring the magnetic moment of the solid compound which should correspond to `(Fe^(2+) = 3d^6)` four unpaired electrons.
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