MCQ
Adsorption of gases on solid surface is generally exothermic because
- AEnthalpy is positive
- ✓Entropy decreases
- CEntropy increases
- DFree energy increase
✓
Answer
Correct option: B.
Entropy decreases
(b)Due to randomness of particles is reduced since entropy decreases.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The technique used for purification of steam volatile water immiscible substance is:
Which one is correct for heat of hydrogenation
In which reaction last product is $Ph -C \equiv CH$ ?
→How it is widely used
Which of the following is a Lewis acid?
How many structures of $F$ is possible
→The fruity smell is of a/an :
The presence of halogen, in an organic compounds, is detected by
The heat evolved in the combustion of methane is given by the following equation
→$C{H_4}(g) + 2{O_2}(g) \to C{O_2}(g) + 2{H_ {2}}O(l);$
$\Delta H = - 890.3\,kJ$
How many grams of methane would be required to produce $445.15\, kJ$ of heat of combustion.....$g$
If ethylene, carbon monoxide and water is heated at high temperature, which of the following is formed