(a) Which form of sulphur shows paramagnetic behaviour ?
(b) Compounds of fluorine and oxygen are called fluorides and not oxides. Explain.
(c) Sulphur disappears when boiled with an aqueous solution of sodium sulphite. Why ?

Explanation

In vapour state , sulphur exists as `S_(2)` , which has two unpaired electron in `pi^(*)` orbitals like `O_(2)` , hence paramagnetic .