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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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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