Which one of the following molecules is param | vedclass

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(C) According to Molecular Orbital Theory $(MOT)$,a molecule is paramagnetic if it contains one or more unpaired electrons.$CO_2$ has $22$ electrons (

Vedclass · Accepted Answer

$NO$

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(C) According to Molecular Orbital Theory $(MOT)$,a molecule is paramagnetic if it contains one or more unpaired electrons.$CO_2$ has $22$ electrons (diamagnetic).$SO_2$ has $32$ electrons (diamagnetic).$H_2O$ has $10$ electrons (diamagnetic).$NO$ has $15$ electrons. Its electronic configuration is $\sigma 1s^2, \sigma^* 1s^2, \sigma 2s^2, \sigma^* 2s^2, \sigma 2p_z^2, \pi 2p_x^2 = \pi 2p_y^2, \pi^* 2p_x^1$. Due to the presence of one unpaired electron in the $\pi^* 2p_x$ orbital,$NO$ is paramagnetic.

Which one of the following molecules is paramagnetic?

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