JEE MAIN - Chemistry (2011 - No. 20)
Which of the following statements regarding sulphur is incorrect?
The vapour at 200oC consists mostly of S8 rings
At 600oC the gas mainly consists of S2 molecules
The oxidation state of sulphur is never less than +4 in its compounds
S2 molecule is paramagnetic.
Explicação
Oxidation of sulphur varies from $$-2$$ to $$+6$$ in its various compounds.