18.10-90 E

Question

Explain why hydrogen sulfide is a gas at room temperature, whereas water, which has a lower molecular mass, is a liquid.

Step-by-Step Solution

Verified
Answer

Therefore, Hydrogen bonds are stronger among \(\rm{O}\) atoms.

1Step 1: Explain why hydrogen sulfide is a gas at room temperature.

This is due to higher electro negativity of oxygen which can as such form much stronger hydrogen bonds \(( - \rm{O} - \rm{H} -  -  - {\rm{O}} - )\)  then are the hydrogen bonds among sulfur atoms \(( - {\rm{S}} - {\rm{H}} - {\rm{ - }} - {\rm{S}} - )\).

Therefore, Hydrogen bonds are stronger among \(\rm{O}\) atoms.