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Molecular Orbitals of Carbon

Question

Among the following, the paramagnetic compound is:

A

N a_{2} O_{2}

B

P_{2} O_{5}

C

N_{2} O

D

K O_{2}

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Solution

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From figure it can be seen that, only $O_{2}^{-}$ have one unpaired electron and $K O_{2}$ is paramagnetic.

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