Question: Among the following allotropic forms of sulphur, the number of allotropic forms, which will show paramagnetism is
$\alpha$-sulphur
$\beta$-sulphur
$\mathrm{S}_{2}$-form
.
Correct Option: 1
Solution:
$\mathrm{S}_{2}$ is like $\mathrm{O}_{2} \mathrm{i} ;$ e paramagnetic as per molecular orbital theory.