p-Block elementsHard

Question

H2S is far more volatile than water because :

Options

A.sulphur atom is more electronegative than oxygen atom.
B.oxygen being more electronegative than sulphur forms hydrogen bond.
C.H2O has bond angle of nearly 105o.
D.hydrogen atom is loosely bonded with sulphur.

Solution

As water has H-bonding due to the presence of highly electronegative oxygen but H2S does not (electronegativity of sulphur is low).

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