Question

Which of the following statements regarding sulphur is incorrect?

• A. The oxidation state of sulphur is never less than +4 in its compounds
• B. $S _{2}$ molecule is paramagnetic
• C. The vapour at $200^{\circ} C$ consists mostly of $S _{8}$ rings
• D. At $600^{\circ} C$ the gas mainly consists of $S _{2}$ molecules

Answer 1

Answer: (A)

The oxidation state of sulphur is never less than +4 in its compounds

Answer 2

The oxidation state of $S$ may be less than +4 i.e., in $H _{2} S$ it is -2 .