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A good illustration of the increase in d...

A good illustration of the increase in dissorder as a driving force in the solution process is provided by the mixing of

A

liquids in liquids

B

solids in liquids

C

two non reacting gases

D

solids in solids

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The correct Answer is:
3
Such as `N_(2)` and `O_(2)` Under atmospheric conditions these gases behave almost like ideal gases, the intermolecular intraction between them is negligible. Consequently, the mixing process is neighter exothermic nor endothermic. Yet we know that these gases mix easily and spontaneously mix in any proportion, so the process is highly favorable. Indeed the process takes place so readily because it results in greater disorder.
This gaseous solution-assuming a certain proportion of `O_(2)` gas and `N_(2)` gas mixed with small amounts of `CO_(2)` and Ar - is known as "air"!
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