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Solutions

Madhya Pradesh Board · Class 12 · Chemistry

Quick revision notes for Solutions — Madhya Pradesh Board Class 12 Chemistry. Key concepts, formulas, and definitions for last-minute revision.

147 questions80 flashcards5 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?
Solutions covers several key topics that are frequently asked in Madhya Pradesh Board Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Solutions — Madhya Pradesh Board Class 12 Chemistry?
Understand the core concepts first, then work through the 147 practice questions available for this chapter. Revise formulas and 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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