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NCERT Grade 12 Chapter 2, Solutions deals with liquid solutions and their formation followed by studying the properties of the solutions, like vapor pressure and colligative properties. The chapter begins with types of solutions and then various alternatives in which concentrations of a solute can be expressed in a liquid solution. After studying this chapter, students will be able to describe the formation of different types of solutions; express concentration of solution in different units; state and explain Henry’s law and Raoult’s law; distinguish between ideal and non-ideal solutions; explain deviations of real solutions from Raoult’s law; describe colligative properties of solutions and correlate these with molar masses of the solutes and explain abnormal colligative properties exhibited by some solutes in solutions.
Types of Solutions, Expressing Concentration of Solutions, Introduction to Solubility, Solubility of a Solid in a Liquid, Solubility of a Gas in a Liquid, Vapour Pressure of Liquid Solutions, Vapour Pressure of Liquid-Liquid Solutions, Raoult’s Law as a special case of Henry’s Law, Vapour Pressure of Solutions of Solids in Liquids, Ideal and Nonideal Solutions, Ideal Solutions, Non-ideal Solutions, Colligative Properties and Determination of Molar Mass, Relative Lowering of Vapour Pressure, Elevation of Boiling Point, Depression of Freezing Point, Osmosis and Osmotic Pressure, Reverse Osmosis and Water Purification and Abnormal Molar Masses are the topics discussed in this chapter. NCERT Grade 12 Chapter 2, Solutions holds a total weightage of 5 marks in the final examination.
Get 100 percent accurate NCERT Solutions for Class 12 Chemistry Chapter 2 (Solutions) solved by expert Chemistry teachers. We provide solutions for questions given in Class 12 Chemistry text-book as per CBSE Board guidelines from the latest NCERT book for Class 12 Chemistry. The topics and sub-topics in Chapter 2 Solutions are given below.
Ex 2.1 - Types of Solutions
Ex 2.2 - Expressing Concentration of Solutions
Ex 2.3 - Solubility
Ex 2.3.1 - Solubility of a Solid in a Liquid
Ex 2.3.2 - Solubility of a Gas in a Liquid
Ex 2.4 - Vapour Pressure of Liquid Solutions
Ex 2.4.1 - Vapour Pressure of Liquid-Liquid Solutions
Ex 2.4.2 - Raoult’s Law as a special case of Henry’s Law
Ex 2.4.3 - Vapour Pressure of Solutions of Solids in Liquids
Ex 2.5 - Ideal and Nonideal Solutions
Ex 2.5.1 - Ideal Solutions
Ex 2.5.2 - Non-ideal Solutions
Ex 2.6 - Colligative Properties and Determination of Molar Mass
Ex 2.6.1 - Relative Lowering of Vapour Pressure
Ex 2.6.2 - Elevation of Boiling Point
Ex 2.6.3 - Depression of Freezing Point
Ex 2.6.4 - Osmosis and Osmotic Pressure
Ex 2.7 - Abnormal Molar Masses.
We cover all exercises in the chapter given below:-
Chapter 2 Exercises - 41 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Solutions. Download the free PDF of Chapter 2 Solutions and take the print out to keep it handy for your exam preparation.