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Ionic Equilibrium

Telangana Board · Class 12 · Chemistry

Quick revision notes for Ionic Equilibrium — Telangana Board Class 12 Chemistry. Key concepts, formulas, and definitions for last-minute revision.

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Key Topics to Revise

1

Concepts of Acids and Bases

  • Three main theories: Arrhenius, Brønsted-Lowry, and Lewis concepts
  • Arrhenius concept limited to aqueous solutions only
  • Brønsted-Lowry concept involves proton transfer reactions
2

Ionization Constants and Strength of Acids and Bases

  • Strong acids/bases ionize completely (Ka or Kb >> 1)
  • Weak acids/bases ionize partially (Ka or Kb << 1)
  • Higher Ka value means stronger acid
3

Ionic Product of Water and pH Scale

  • Pure water undergoes auto-ionization: 2H₂O ⇌ H₃O⁺ + OH⁻
  • Kw = [H₃O⁺][OH⁻] = 1.0 × 10⁻¹⁴ at 25°C
  • In pure water: [H₃O⁺] = [OH⁻] = 1.0 × 10⁻⁷ M
4

Common Ion Effect

  • Addition of common ion suppresses ionization of weak electrolyte
  • Based on Le Chatelier's principle
  • Degree of ionization decreases in presence of common ion

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Full Notes

Key Concepts

Three main theories define acidsFor weak acid HAWater undergoes autoWhen a common ion is addedSolutions that resist pH changes upon

Frequently Asked Questions

What are the important topics in Ionic Equilibrium for Telangana Board Class 12 Chemistry?
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Sources & Official References

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

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