Which statements are correct for the peroxide | vedclass

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(B, C) The correct statements for the peroxide ion $(O_{2}^{2-})$ are that it is diamagnetic and it has a bond order of $1$. Electronic configuration

Vedclass · Accepted Answer

It has bond order one

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(B, C) The correct statements for the peroxide ion $(O_{2}^{2-})$ are that it is diamagnetic and it has a bond order of $1$. Electronic configuration of $O_{2}^{2-}$ is: $\sigma 1s^{2}, \sigma^{*} 1s^{2}, \sigma 2s^{2}, \sigma^{*} 2s^{2}, \sigma 2p_{z}^{2}, (\pi 2p_{x}^{2} = \pi 2p_{y}^{2}), (\pi^{*} 2p_{x}^{2} = \pi^{*} 2p_{y}^{2})$. Bond order $= \frac{1}{2} (	ext{Number of bonding electrons} - 	ext{Number of anti-bonding electrons})$. $BO = \frac{10 - 8}{2} = \frac{2}{2} = 1$. Since the number of unpaired electrons is $0$,$O_{2}^{2-}$ is diamagnetic in nature.

Which statements are correct for the peroxide ion?

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