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The incorrect order is:...

The incorrect order is:

A

`HF lt HCl lt HBr lt HI`: Acidic strength

B

`HF gt HCl gt HBr gt HI`: Thermal stability

C

`HF gt HCl gt HBr gt HI`: Boiling point

D

`HF gt HCl gt HBr gt HI`: bond dissociation enthalpy

Text Solution

Verified by Experts

The correct Answer is:
C
Correct order b. pt,
`underset("H-bonding")ubrace(HF)gtunderset("Dipole-dipole attraction (V.W. forces)")ubrace(HI gt HBr gt HCl)`
In case of same type of van der waals' force of attraction b.pt`prop`molecular mass.
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VK JAISWAL ENGLISH-p-BLOCK ELEMENTS-LEVEL 2
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  9. Which of the following is not true about helium ?

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