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Amongst H2O, H2S, H2 Se and H2 Te, the o...

Amongst `H_2O, H_2S, H_2 Se` and `H_2 Te`, the one with the highest boiling point is :

A

`H_2 O` because of hydrogen bonding.

B

`H_2 Te` because of higher molecular weight.

C

`H_2 S` because of hydorgen bonding.

D

`H_2 Se` because of lower molecular weight.

Text Solution

Verified by Experts

The correct Answer is:
A
In general, the boiling point of group `16` hydribes increases down the group because of increase in molecular mass, but in case in water, there is intermolecular hydrogen bonding, and so it has the highest boiling point. Each `H_(2) O` molecule has `4 H-bonded H_(2) O` molecule.
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