Question

Oxygen is more electronegative than sulphur, yet $H_2S$ is acidic while $H_2O$ is neutral. This is because

• A. water is highly associated
• B. H-S bond is weaker than H-O bond
• C. $H_2$S is a gas While $H_2O$ is a liquid
• D. The molecular mass of $H_2S$ is greater than

Answer 1

Answer: (B)

H-S bond is weaker than H-O bond

Answer 2

$H-S$ bond is weaker than $H??$ bond due to large size of sulphur