Which one of the following does not exhibit p | vedclass

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(B) Paramagnetism is exhibited by species that contain at least one unpaired electron.$ClO_2$ has $19$ valence electrons $(7 + 6 	imes 2 = 19)$,so it

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$ClO_2^-$

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(B) Paramagnetism is exhibited by species that contain at least one unpaired electron.$ClO_2$ has $19$ valence electrons $(7 + 6 	imes 2 = 19)$,so it has an unpaired electron.$ClO_2^-$ has $20$ valence electrons $(7 + 6 	imes 2 + 1 = 20)$. The Lewis structure shows all electrons are paired.$NO_2$ has $17$ valence electrons $(5 + 6 	imes 2 = 17)$,so it has an unpaired electron.$NO$ has $11$ valence electrons $(5 + 6 = 11)$,so it has an unpaired electron.Therefore,$ClO_2^-$ is diamagnetic and does not exhibit paramagnetism.

Which one of the following does not exhibit paramagnetism?

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