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Why is H 2 O a liquid while H 2 S is a gas at room temperature?

Why is H2O a liquid while H2S is a gas at room temperature?

Grade:12

1 Answers

BOLLU SRINIVAS
420 Points
5 years ago
Due to small atomic size and high electronegativity of O, H2O molecules associate together to form a liquid. This is due to intermolecular Hydrogen bonding.
O − H bonds are polar, but H − S bonds are unable to form Hydrogen bonds, so H2S is a gas.

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