Q30 / 160 · TS EAMCET 2022 (20 Jul Shift 2) · Chemistry

The correct order of enthalpy of vaporisation of noble gases is

Correct answer
A
Xe > Kr > Ar > Ne > He
B
He > Ne > Kr > Ar > Xe
C
Xe > Ar > He > Ne > Kr
D
Ne > Xe > Kr > He > Ar

Solution

As the atomic weight increases the enthalpy of vapourization increases.

Hence, the correct answer is option: 'A'.

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