- Home
- Standard 11
- Chemistry
4.Chemical Bonding and Molecular Structure
medium
The total number of species from the following in which one unpaired electron is present, is . . . . . . $\mathrm{N}_2, \mathrm{O}_2, \mathrm{C}_2^{-}, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}, \mathrm{H}_2^{+}, \mathrm{CN}^{-}, \mathrm{He}_2^{+}$
A
$2$
B
$3$
C
$4$
D
$8$
(JEE MAIN-2024)
Solution
One unpaired $\mathrm{e}^{-}$is present in : $\mathrm{C}_2^{-} ; \mathrm{O}_2^{-} ; \mathrm{H}_2^{+} ; \mathrm{He}_2^{+}$
Standard 11
Chemistry
