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BITSAT 2012

Exam: BITSAT
Year: 2012
Subject: Chemistry
Chapter: Surface Chemistry

BITSAT 2012 · Chemistry · Surface Chemistry

Which of the following gas molecules have maximum value of enthalpy...

Which of the following gas molecules have maximum value of enthalpy of physisorption?

Options

A $\mathrm{C}_{2} \mathrm{H}_{6}$
B $\mathrm{Ne}$
C $\mathrm{H}_{2} \mathrm{O}$
D $\mathrm{H}_{2}$

Correct answer

C. $\mathrm{H}_{2} \mathrm{O}$

Step-by-step solution

The more the liquifiable nature of a gas, the more is the enthalpy of adsorption. Water is more liquifiable.

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