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4.Chemical Bonding and Molecular Structure
medium
Which of the following is paramagnetic ?
A
$NO^+$
B
$CO$
C
$O_2^-$
D
$CN^-$
Solution
Paramagnetism refers to the magnetic state of an atom with one or more unpaired electrons.
$O _{2}^{-}$ consists of one unpaired electrons.
Standard 11
Chemistry
