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  • Which of the following are paramagnetic?Option: 1 </

Which of the following are paramagnetic?

Option: 1

\text{O}{_{2}}^{2-}


Option: 2

\text{VO}{_{3}}^{-}


Option: 3

\text{V}^{4+}


Option: 4

\text{V}^{5+}


Answers (1)

best_answer

\mathrm{V}^{4+} has 3 \mathrm{d}^1 configuration, so it has 1 unpaired electron, due to which this can show paramagnetism. Whereas \mathrm{V}^{5+}, has 3 \mathrm{d}^0 configuration, hence, due to no unpaired electrons, it does not show paramagnetism. In the same way, others also do not show paramagnetism.

Posted by

sudhir.kumar

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