Why Water Is A Liquid At Room Temperature But Hydrogen Sulphide Is A Gas

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Why water is a liquid at room temperature but hydrogen sulphide is a gas.

Its a very strong bond that packs the water molecules closely together forming a liquid. H2s hydrogen sulfide is a gas because at room temperature the forces and interactions between the molecules of hydrogen sulfide are very weak. Hence water has a higher boiling point or is a liquid at room temperature whereas h 2 s is a gas at room temperature. Answered by melissa k.

Thus due to stronger intermolecular forces in water water will be a liquid and hydrogen sulfide having much weaker intermolecular forces will therefore exist as a gas under standard atmospheric. Although hydrogen sulphide has a greater molecular mass than water water is a liquid at room temperature while carbon dioxide is a gas because of the strong intermolecular forces that hold water. Its because of hydrogen bonding that occurs between the h and o of adjacent water molecules. Chemistry tutor 10975 views see similar chemistry a level tutors.

So lesser energy is required to overcome the forces of interaction between the hydrogen sulphide molecules than those between water molecules. This energy is available at room temperature and hence hydrogen sulphide is a gas while water is still a liquid. H2s hydrogen sulfide is a gas because at room temperature the forces and interactions between the molecules of hydrogen sulfide are very weak.