Which one of the following molecules is param | vedclass

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Question

(B) The molecular orbital configuration of the molecules is determined by the total number of electrons.For $NO$:Total number of electrons $= 7(N) + 8

Vedclass · Accepted Answer

$NO$

Vedclass · Answer

(B) The molecular orbital configuration of the molecules is determined by the total number of electrons.For $NO$:Total number of electrons $= 7(N) + 8(O) = 15$.The molecular orbital configuration is $KK(\sigma 2s)^2 (\sigma^* 2s)^2 (\sigma 2p_z)^2 (\pi 2p_x)^2 (\pi 2p_y)^2 (\pi^* 2p_x)^1$.Due to the presence of one unpaired electron in the $\pi^* 2p_x$ orbital,$NO$ is paramagnetic.In contrast,$N_2$ ($14$ electrons),$CO$ ($14$ electrons),and $O_3$ ($24$ electrons) have all electrons paired,making them diamagnetic.

Which one of the following molecules is paramagnetic?

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