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In which of the following set of molecul...

In which of the following set of molecules is the order of boiling point incorrect?

A

`Xe gt Ar gt He`

B

`HCl gt HF gt HBr`

C

`H_2O gt H_2Se gt H_2S`

D

`C_3H_8 gt C_2 H_6 gt CH_4`

Text Solution

Verified by Experts

The correct Answer is:
B
B.pt of HF gt HBr gtHCl. HF has H bonding but for other hydrides the b.p. increases from HCl to HBr to HI due to increase in the van der Waal's forces
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