Among the following species,the diamagnetic m | vedclass

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(D) According to Molecular Orbital Theory $(MOT)$,the electronic configuration of $CO$ ($14$ electrons) is: $\sigma 1s^2, \sigma^* 1s^2, \sigma 2s^2,

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$CO$

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(D) According to Molecular Orbital Theory $(MOT)$,the electronic configuration of $CO$ ($14$ electrons) is: $\sigma 1s^2, \sigma^* 1s^2, \sigma 2s^2, \sigma^* 2s^2, \pi 2p_x^2 = \pi 2p_y^2, \sigma 2p_z^2$.Since all electrons are paired,$CO$ is diamagnetic.In contrast,$O_2$ ($16$ electrons) has two unpaired electrons in $\pi^* 2p$ orbitals,$NO$ ($15$ electrons) has one unpaired electron,and $B_2$ ($10$ electrons) has two unpaired electrons in $\pi 2p$ orbitals.

Among the following species,the diamagnetic molecule is

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