Solutions Chemistry Class 12 CBSE Notes Study Material Full Chapter 1 Download pdf-ANAND CLASSES

Define Solution

A solution comprises a solute and a solvent. It is defined as a homogeneous mixture of two or more than two substances. They can be classified into three types:

Solid solutions

Gaseous solutions

Liquid solutions

Molarity, mole fraction, percentages, and molality are the terms used to express the concentration of a solution.

Students can refer to the short notes and MCQ questions along with separate solution pdf of this chapter for quick revision from the links below:

Henry’s Law

In liquids, the dissociation of gas is controlled by Henry’s law. The states that the solubility of a gas in a liquid, at a given temperature, is directly proportional to the partial pressure of the gas. Due to the presence of a non-volatile solute, the vapour pressure of the solvent is lowered.

Raoult’s Law

The lowering of the vapour pressure of the solvent is ruled by Raoult’s law. The law states that the relative lowering of the vapour pressure of the solvent over a solution and the mole fraction of a non-volatile solute present in the solution is equal. It is expressed as:

Ptotal= p10x1+p20x2

Ideal Solutions

When a solution obeys Raoult’s law over the entire range of concentrations, it is called an ideal solution. Types of deviations from Raoult’s law:

Positive deviations
Negative deviations

Few Important Questions

What is mole fraction?
Explain the role of molecular interaction in a solution of water and alcohol.
Give the statement of Henry’s law. List some applications.
What is a solution? Explain the different types of solutions.
What is molarity?

Frequently Asked Questions on CBSE Class 12 Chemistry Notes Chapter 2 – Solutions

What are the different types of solutions?

The 3 main types of solutions are 1. Solid 2. Liquid 3. Gas

What are ideal solutions?

When a solution obeys Raoult’s law over the entire range of concentrations, it is called an ideal solution.

What is molarity?

Molarity, or molar concentration, is the concentration of a solution measured as the number of moles of solute per litre of solution.

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