Question

Identify the molecule which contains lone pair of electrons on the sulphur atom

• A. $H_2SO_5$
• B. $H_2S_2O_8$
• C. $H_2S_2O_7$
• D. $H_2SO_3$

Answer 1

Answer: (D)

$H_2SO_3$

Answer 2

Sulphur atom contains lone pair in sulphurous acid.