Question

Which one is not true about $H_{2}S{O}_4$?

• A. It is composed of 2 H, 1 S and 4 O atoms.
• B. Its molar mass is 98 g/mol.
• C. It is composed of one molecules $H_2$, one atom S and two molecules $O_2$.
• D. Its relative molecular mass is 98.

Answer 1

The correct option is C It is composed of one molecules $H_2$, one atom S and two molecules $O_2$.

Sulphuric acid is composed of two hydrogen, one sulphur and four oxygen atoms. Its molecular mass is 98gm.