In which of the following processes, the value of magnetic moment does not change?

N_{2} \to N_{2}^{-}

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N_{2} \to N_{2}^{+}

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O_{2} \to O_{2}^{+}

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{O_{2}}^{+} \to O_{2}^{-}

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Solution

The correct option is D ${O_{2}}^{+} \to O_{2}^{-}$
Diamagnetic if Even no of electron
Paramagnetic if odd no of electron
Compound No. of electrons
$N_{2}$ 14 diamagnetic
$N_{2}^{+}$ 13 paramagnetic
$N_{2}^{-}$ 15 paramagnetic
$O_{2}$ 16 diamagnetic
$O_{2}^{+}$ 15 paramagnetic
$O_{2}^{-}$ 17 paramagnetic
Hence $O_{2}^{+} \to O_{2}^{-}$ there is no change in magnetic moment.

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Similar questions

What is the effect of the following processes on the bond order in $N_{2}$ and $O_{2}$ ?

(i). $N_{2} \to N_{2}^{+} + e^{-}$

(ii) $O_{2} \to O_{2}^{+} + e^{-}$

C O, O_{2}, N_{2} a n d C O_{2}

$N_{2}$ and $O_{2}$ are converted into monocations, $N_{2}^{+}$ and $O_{2}^{+}$ respectively. Which of the following is wrong ?

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