p-Block elementsHard

Question

Amongst H2O, H2S, H2Se and H2Te, the one with the highest boiling point is :

Options

A.H2O because of hydrogen bonding
B.H2Te because of higher molecular weight
C.H2S because of hydrogen bonding
D.H2Se because of lower molecular weight

Solution

It is a fact that extensive intermolecular H-bonding in H2O makes it highly boiling liquid.

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