Question

Which of the following statement is not true?
(A) The solubility of gases in liquids decreases on increasing the temperature.
(B) The solubility of solids in liquids remain unaffected by changes in pressure.
(C) The solubility of solids in liquids increases on increasing the temperature.
(D) The solubility of gases in liquids increases on increasing the temperature.

Answer 1

Answer:

Option A is the correct answer.

Explanation:

The solubility of the gas in a liquid solution decreases with increase in temperature. This is because, with an increase in temperature, the kinetic energy of the gas molecule increases, thus it becomes difficult for liquid molecules to hold them.

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Answer 2

Answer:

(D) The solubility of gases in liquids increases on increasing the temperature.

Explanation:

• As a result, the solubility of a gas in a liquid decreases as temperature increases and rises as temperature falls. As a result, the solubility of a gas in a liquid increases as pressure and temperature fall.

• Its molecules have a higher proclivity to escape the solvent's attraction and return to the gas phase. As a result, as the temperature rises, the solubility of a gas drops.

• This is due to the fact that solids and liquids are highly incompressible and are virtually unaffected by pressure fluctuations.

• The solubility of many substances dissolved in liquid water rises with temperature.