How does the increase in temperature affect the solubility of solids and gases?

With rise in temperature, the solubility of a solid increases

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With rise in temperature, the solubility of a gas increases

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With fall in temperature, the solubility of a gas decreases

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With rise in temperature, the solubility of a gas increases and with fall in temperature the solubility of a solid increases

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Solution

The correct option is A
With rise in temperature, the solubility of a solid increases

For many solids that are dissolved in water or any liquid, the solubility increases with rise in temperature. With increase in kinetic energy, the solvent molecules effectively break apart the solute molecules that are held together by strong intermolecular attractions and thereby solubility is increased.

On the other hand, the higher kinetic energy causes more motion in the gas molecules which break intermolecular bonds and escape from the solution. Therefore as the temperature increases, the solubility of a gas decreases.

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Similar questions

Normally, solubility of a crystalline solid increase with temperature. Does it increase uniformly in all cases ? Name a substance whose solubility :

(a) increase rapidly withe temperature.

(b) increase gradually with temperature.

(d) initially increases then decreases with rise in temperature.

How do the solubility of a solid and a gas gets affected by

(a) Increase in temperature ?

(b) Increase in pressure ?

Solubility of a solid in water always increases with increase in temperature.

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