NCERT Class 12 Chemistry Chapter 1 Solutions PDF Download
Chapter Overview
Solutions is Chapter 1 of NCERT Class 12 Chemistry and deals with different types of solutions, their composition, and important properties. The chapter explains various ways of expressing the concentration of solutions, including molarity, molality, mole fraction, and mass percentage. Students also study the solubility of gases in liquids, Henry’s law, vapour pressure of liquid solutions, Raoult’s law, ideal and non-ideal solutions, and colligative properties. The chapter further covers important concepts such as elevation of boiling point, depression of freezing point, osmotic pressure, and abnormal molar mass.
Important Topics
- Types of Solutions
- Expressing Concentration of Solutions
- Mass Percentage and Volume Percentage
- Mole Fraction
- Molarity and Molality
- Solubility
- Solubility of Gases in Liquids
- Henry’s Law
- Vapour Pressure of Liquid Solutions
- Raoult’s Law
- Ideal and Non-Ideal Solutions
- Positive and Negative Deviations from Raoult’s Law
- Colligative Properties
- Relative Lowering of Vapour Pressure
- Elevation of Boiling Point
- Depression of Freezing Point
- Osmotic Pressure
- Reverse Osmosis
- Abnormal Molar Mass
- van’t Hoff Factor