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Which of the following hydrides of the o...

Which of the following hydrides of the oxygen family shows the lowest boiling point?

A

`H_2O`

B

`H_2S`

C

`H_2Se`

D

`H_2Te`

Text Solution

Verified by Experts

The correct Answer is:
B
Among group 16 hydrides, `H_2O` has the highest boiling point. It is due to H-bonding which exist even in liquid state. Due to absence of H-bonding and lower molecular mass `H_2S` has least boiling point.
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