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Solutions — Revision Notes

Madhya Pradesh Board · Class 12 · Chemistry

Solutions revision notes for Madhya Pradesh Board Class 12 Chemistry: 4 topics in quick points. Includes Types of Solutions and Concentration, Solubility.

147 questions80 flashcards12 formulas & key relations5 concepts

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An infographic illustrating different types of solutions based on the physical state of solute and solvent, including gaseous, liquid, and solid solutions, with common examples for each.
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Key Topics to Revise

1

1. Types of Solutions and Concentration Units

  • The component present in largest quantity is the solvent and determines the physical state of the solution.
  • Binary solutions contain two components only.
  • Types of solutions depend on the physical state of solute and solvent: gas in gas, gas in liquid, solid in liquid, gas in solid, liquid in solid, and so on.
2

2. Solubility and Henry's Law

  • Solubility is the maximum amount of a substance that can dissolve in a given amount of solvent at a specified temperature.
  • Solubility of a gas in a liquid increases with increase of pressure.
  • Solubility of gases in liquids decreases with rise in temperature.
3

3. Vapour Pressure of Liquid Solutions and Raoult's Law

  • In a binary solution of two volatile liquids, both components contribute to vapour pressure.
  • Raoult's law states that the partial vapour pressure of each volatile component is directly proportional to its mole fraction in solution.
  • For a liquid solution, total pressure is the sum of partial pressures by Dalton's law.
4

4. Ideal Solutions, Non-Ideal Solutions, and Azeotropes

  • Ideal solutions obey Raoult's law over the entire range of concentration.
  • Ideal solutions have zero enthalpy of mixing and zero volume of mixing.
  • Ideal behaviour arises when A-A, B-B, and A-B intermolecular forces are nearly equal.

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Full Notes

Key Concepts

Binary solutions may be gaseousConcentration is expressed as mass %Solubility is the maximum amountThe solubility of solids in liquidsAt constant temperature

Frequently Asked Questions

What are the important topics in Solutions for Madhya Pradesh Board Class 12 Chemistry?
Key topics in Solutions include Types of Solutions and Concentration Units, Solubility and Henry's Law, Vapour Pressure of Liquid Solutions and Raoult's Law, Ideal Solutions, Non-Ideal Solutions, and Azeotropes. Study these first, then practise questions on each for the Madhya Pradesh Board Class 12 board exam.
How should I revise Solutions for the Madhya Pradesh Board Class 12 board exam?
Learn the core ideas first, then work through the 147 practice questions on Solutions. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All Madhya Pradesh Board Class 12 Chemistry Revision Notes

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