1.

H2O liquid at room temperature but H2S is gas. Why?

Answer»

H2O is liquid at room temperature but H2S is gas because hydrogen bonding is present in H2O and the water molecules get extensively associated in an infinite fashion by weak electrostatic forces. So, H2O exists as a liquid at room temperature with high boiling point. However, there is no hydrogen bonding in H2S so it exists as gas.



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