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Q.

Among $K O_{2}, A l O_{2}^{-}, B a O_{2}$ , and $N O_{2}^{+}$ unpaired electron is present in:

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a

$K O_{2}$ and $A l O_{2}^{-}$

b

$K O_{2}$ only

c

$N O_{2}^{+}$ and $B a O_{2}$

d

$B a O_{2}$ only

answer is C.

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Detailed Solution

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Among all the four, only KO₂ has unpaired electrons in it.

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