An impurity in petroleum is dimethylsulphide, CH 3SCH3. When dimethylsulphide is burnt in an excess of air, which one of the following balanced equations represents the reaction that takes place?

Answer:

26) E

Reacting with air essentially means that it is reacting with oxygen.

Different elements present in CH₃SCH₃: C, H and S

Carbon will form its oxide, Hydrogen will form its oxide (water) and sulphur will form its oxide.
There would be three products: CO₂, H₂O AND SO₂

Therefore, the answer could only be E.