NEET UG CHEMISTRY MCQ: d & f- BLOCK ELEMENTS

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Application +4 | -1

A substance which is not paramagnetic is:

View answer and explanation

Correct option: B

\mathrm{KMn}{\mathrm{O}_4}

The correct answer is

\mathrm{KMn}{\mathrm{O}_4}

because it is diamagnetic, having no unpaired electrons due to the

Mn

being in +7 oxidation state with

d^0

configuration.

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{\mathrm{M}^{x + }}

\sqrt {24}

{\mathrm{K}_2}\mathrm{C}{\mathrm{r}_2}{\mathrm{O}_7}

{\mathrm{H}_2}\mathrm{S}{\mathrm{O}_4}