Chemistry Enviromental Chemistry ( Not In Syllabus ) JEE ADVANCED Previous Year Question Single Correct MCQ
Published on: August 13, 2026

In nitroprusside ion the iron and NO exist. They 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.

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Text Solution

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The correct answer is:
C

Fe II and Fe III have different magnetic moment due to different number of unpair electrons.

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