Qualitative Analysis - Result Question 17

17. 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

(1998, 2M)

(a) estimating the concentration of iron

(b) measuring the concentration of $CN$

(c) measuring the solid state magnetic moment

(d) thermally decomposing the compound

Show Answer

Answer:

Correct Answer: 17. (c)

Solution:

$Fe(II)$ and $Fe(III)$ will have different values of magnetic moment due to different number of unpaired electrons in their $d$-orbitals.

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