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CBSE Class 11-science Answered

Explain why H2O is liquid while H2S is a gas.
Asked by Topperlearning User | 09 Oct, 2014, 08:36: AM
Expert Answer

The water molecules are associated with one another by strong intermolecular hydrogen bonds, whereas the intermolecular forces in liquid H2S are weak dipole-dipole forces.

As a result, the boiling point of H2S is much lower than that of H2O.

So at ordinary temperature H2O is liquid whereas H2S is gas.

Answered by | 09 Oct, 2014, 10:36: AM
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