Which of the following is paramagnetic?

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asked Dec 21, 2021 in CBSE by kritika (90.1k points)

Which of the following is paramagnetic?
A.

$\mathrm{CO}$
B.

$O_{2}^{-}$
c.

$C N-$
D.

$\mathrm{NO}^{+}$

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0 votes

answered Dec 21, 2021 by kritika (90.1k points)

Correct Answer - B

$\mathrm{O}_{2}^{-}$ has one unpaired elelctron and hence is paramagnetic.

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