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Questions
Give reasons for the following:
Sulphur in vapour state shows paramagnetic behaviour.
Why does sulphur in vapour state exhibit paramagnetic behaviour?
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Solution
The paramagnetism in sulphur in the vapour phase can be explained from the fact that in the vapour phase, S2 is the dominant species and is therefore paramagnetic like O2, which has two unpaired electrons.
So like O2 molecule, S2 also has two unpaired electrons in the π*px and π*py orbitals.
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