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Ionic Equilibrium — Concept Maps

Tamil Nadu Board · Class 12 · Chemistry

3 concept maps of Ionic Equilibrium for Tamil Nadu Board Class 12 Chemistry, each also written out as a text outline.

45 questions30 flashcards7 formulas & key relations5 concepts

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3 Concept Maps

Ionic Equilibrium – Complete Chapter Overview

Ionic Equilibrium – Complete Chapter Overview

The map in words

  • Ionic Equilibrium
    • Acid-Base Theories
      • Arrhenius Theory
        • Acid gives H+ in water
        • Base gives OH- in water
        • Limited to aqueous only
      • Bronsted-Lowry Theory
        • Acid is proton donor
        • Base is proton acceptor
        • Conjugate acid-base pairs
        • Explains NH3 as base
      • Lewis Theory
        • Acid accepts electron pair
        • Base donates electron pair
        • BF3 AlCl3 as Lewis acids
        • NH3 H2O as Lewis bases
    • Ionisation of Water
      • Kw = H3O+ times OH- = 10 to -14
      • At 25 degrees C
      • Increases with temperature
      • Neutral solution pH = 7
    • pH Scale
      • pH = -log H3O+
      • pOH = -log OH-
      • pH + pOH = 14
      • Acidic pH less than 7
      • Basic pH greater than 7
    • Weak Acids and Bases
      • Partial dissociation
      • Ka and Kb constants
      • Ostwald Dilution Law
        • alpha increases on dilution
        • alpha = sqrt Ka by C
      • H+ = sqrt Ka times C
    • Common Ion Effect
      • Suppresses dissociation
      • Le Chatelier principle
      • Basis of buffers
    • Buffer Solutions
      • Acidic buffer
        • Weak acid plus its salt
        • Example CH3COOH plus CH3COONa
      • Basic buffer
        • Weak base plus its salt
        • Example NH4OH plus NH4Cl
      • Henderson Hasselbalch equation
        • pH = pKa + log salt by acid
        • pOH = pKb + log salt by base
      • Buffer capacity beta = dB by dpH
    • Salt Hydrolysis
      • Strong acid + Strong base
        • No hydrolysis
        • pH = 7
      • Strong base + Weak acid
        • Anionic hydrolysis
        • pH greater than 7
        • pH = 7 + half pKa + half logC
      • Strong acid + Weak base
        • Cationic hydrolysis
        • pH less than 7
        • pH = 7 - half pKb - half logC
      • Weak acid + Weak base
        • Both ions hydrolyse
        • pH = 7 + half pKa - half pKb
    • Solubility Product
      • Ksp = product of ion concentrations
      • Molar solubility s
      • AB type Ksp = s squared
      • AB2 type Ksp = 4s cubed
      • Ionic product vs Ksp
        • IP greater than Ksp precipitate forms
        • IP less than Ksp no precipitate
        • IP = Ksp saturated

Ionic Equilibrium - Concepts Hierarchy

Ionic Equilibrium - Concepts Hierarchy

The map in words

  • Ionic Equilibrium
    • Acid-Base Concepts
      • Arrhenius Concept
        • H+ Donor
        • OH- Acceptor
      • Lowry-Bronsted Theory
        • Proton Donor
        • Proton Acceptor
        • Conjugate Pairs
      • Lewis Concept
        • Electron Pair Acceptor
        • Electron Pair Donor
    • Water Equilibrium
      • Auto-ionization
        • Kw Constant
        • pH Scale
        • pOH Scale
      • Weak Acid Ionization
        • Ka Constant
        • Degree of Dissociation
        • Ostwald's Law
    • Equilibrium Solutions
      • Buffer Solutions
        • Acidic Buffers
        • Basic Buffers
        • Henderson-Hasselbalch
      • Salt Hydrolysis
        • Anionic Type
        • Cationic Type
        • Mixed Type
    • Precipitation
      • Solubility Product
        • Ksp Calculation
        • Ionic Product
        • Molar Solubility
      • Common Ion Effect
        • Equilibrium Shift
        • Reduced Solubility

Overview of Ionic Equilibrium - Key Topics

Overview of Ionic Equilibrium - Key Topics

The map in words

  • Ionic Equilibrium
    • Acid Base Theories
      • Arrhenius
        • Acid gives H plus
        • Base gives OH minus
        • Only in water
      • Bronsted Lowry
        • Acid is proton donor
        • Base is proton acceptor
        • Conjugate pairs
      • Lewis
        • Acid accepts electron pair
        • Base donates electron pair
        • Most general
    • Ionic Product of Water
      • Kw equals H3O plus times OH minus
      • Kw at 25C equals 10 power minus 14
      • Increases with temperature
      • pH plus pOH equals 14
    • Weak Electrolytes
      • Dissociation constant Ka or Kb
      • Degree of dissociation alpha
      • Ostwalds Dilution Law
      • alpha equals root Ka over C
    • Buffer Solutions
      • Acidic Buffer
        • Weak acid plus its salt
        • Example CH3COOH plus CH3COONa
      • Basic Buffer
        • Weak base plus its salt
        • Example NH4OH plus NH4Cl
      • Henderson Hasselbalch
        • pH equals pKa plus log salt over acid
    • Salt Hydrolysis
      • Strong acid Strong base
        • Neutral pH 7
      • Strong base Weak acid
        • Basic pH greater than 7
      • Strong acid Weak base
        • Acidic pH less than 7
      • Weak acid Weak base
        • Depends on Ka vs Kb
    • Solubility Product
      • Ksp equals product of ionic concentrations
      • Molar solubility s
      • Ionic Product vs Ksp
      • Precipitation prediction

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Frequently Asked Questions

What are the important topics in Ionic Equilibrium for Tamil Nadu Board Class 12 Chemistry?
Key topics in Ionic Equilibrium include Acid-Base Theories, Ionisation of Water and pH Scale, Ionisation of Weak Acids and Bases – Ostwald's Dilution Law, Common Ion Effect. Study these first, then practise questions on each for the Tamil Nadu Board Class 12 board exam.
What do the concept maps for Ionic Equilibrium show?
The 3 maps show how the ideas in Ionic Equilibrium connect: Ionic Equilibrium – Complete Chapter Overview; Ionic Equilibrium - Concepts Hierarchy. Each map is also written out as an outline on this page.
How should I revise Ionic Equilibrium for the Tamil Nadu Board Class 12 board exam?
Learn the core ideas first, then work through the 45 practice questions on Ionic Equilibrium. 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 Tamil Nadu Board Class 12 Chemistry Concept Maps

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