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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 hydrogen boning

D

`H_(2)Se` because of lower molecular weight

Text Solution

Verified by Experts

The correct Answer is:
A
In hydrides of ground `16`, boiling point increases down the group because of increasing molecular mass. But water has an exceptionally high boiling point because it shows intermolecular hydrogen bonding. One `H_(2)O` molecule is bonded to four molecules of `H_(2)O`
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