Question

The oxyacid of sulphur that contains a lone pair of electrons on sulphur is

• A. sulphurous acid
• B. sulphuric acid
• C. peroxodisulphuric acid
• D. pyrosulphuric acid

Answer 1

Answer: (A)

sulphurous acid

Answer 2

Sulphurous acid $(H_{2}SO_{3})$ contains a lone pair of electrons on sulphur. The structure of sulphurous acid is as