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Which of the following gas molecules hav...

Which of the following gas molecules have minimum value of enthalpy of chemisorption on an iron surface?

A

`C_2H_6`

B

Ne

C

`H_2O`

D

`H_2`

Text Solution

Verified by Experts

`H_2O` can be liquefied easily, hence it will have the maximum enthalpy of physisorption.
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Adsorption is the tendency of accumulation of molecular species at the surface of solid or liquid. Depending upon the nature of bonds or forces of attraction between adsorbate and adsorbent. It is classofied between physisorption and chemisorption. Which of the following gas molecules have maximum value enthalpy of physisorption?