Which of the following form of the sulphur shows paramagnetic behaviour?

Which of the following form of the sulphur shows paramagnetic behaviour?
  1. $\mathrm{S}_{8}$
  2. $\mathrm{S}_{6}$
  3. $\mathrm{S}_{2}$
  4. All of these

Solution

$\mathrm{S}_{2}$ is paramagnetic. It contains two unpaired electrons in the antibonding $\pi^{*}$ orbital .

Asked in: JEE-TOPICTESTS-CHEMISTRY

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