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Solubility of Solutions Video Lecture | Chemistry for JEE Main & Advanced

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FAQs on Solubility of Solutions Video Lecture - Chemistry for JEE Main & Advanced

1. What is solubility?
Ans. Solubility refers to the ability of a substance, known as the solute, to dissolve in a solvent to form a homogeneous solution. It is typically measured as the maximum amount of solute that can dissolve in a given amount of solvent at a specific temperature and pressure.
2. How is solubility determined?
Ans. Solubility is determined by several factors, including the nature of the solute and solvent, temperature, and pressure. The solubility of most solid solutes in liquid solvents increases with an increase in temperature, whereas the solubility of most gaseous solutes in liquid solvents decreases with an increase in temperature. The presence of other solutes or substances can also affect solubility.
3. What is the solubility product constant (Ksp)?
Ans. The solubility product constant, denoted as Ksp, is a measure of the extent to which a sparingly soluble salt dissolves in water. It is the equilibrium constant for the dissolution of the salt into its constituent ions. The value of Ksp is specific to each salt and is determined by the concentrations of the dissolved ions at equilibrium.
4. How does pressure affect solubility?
Ans. In general, the solubility of gases in liquids increases with an increase in pressure. This relationship is described by Henry's law, which states that the solubility of a gas is directly proportional to the partial pressure of the gas above the liquid. Higher pressure pushes more gas molecules into the liquid, increasing solubility.
5. How does temperature affect solubility?
Ans. The effect of temperature on solubility depends on the nature of the solute and solvent. In most cases, the solubility of solid solutes in liquid solvents increases with an increase in temperature. This is because higher temperatures provide more energy for the solute particles to overcome intermolecular forces and dissolve. However, for some solutes, such as calcium sulfate, the solubility decreases with increasing temperature.
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