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Electrochemistry — Concept Maps

Punjab Board · Class 12 · Chemistry

3 concept maps of Electrochemistry for Punjab Board Class 12 Chemistry, each also written out as a text outline.

45 questions36 flashcards6 formulas & key relations5 concepts

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3 Concept Maps

Electrochemistry: Types of Cells and Their Processes

Electrochemistry: Types of Cells and Their Processes

The map in words

  • Electrochemical Cells
    • Type of Cell?
      • Spontaneous Reaction: Galvanic Cell
        • Chemical Energy → Electrical Energy
          • Anode: Oxidation Anode -ve
            • External Circuit: Electrons flow
              • Applications: Batteries, Fuel Cells
                • Quantitative Analysis via Faraday's Laws
                  • Calculate Products/Mass from Charge
          • Cathode: Reduction Cathode +ve
      • Non-Spontaneous Reaction: Electrolytic Cell
        • Electrical Energy → Chemical Energy
          • Cathode: Reduction Cathode -ve
            • External Power Supply Required
              • Applications: Electroplating, Metal Extraction
          • Anode: Oxidation Anode +ve

Electrochemistry: Complete Concept Overview

Electrochemistry: Complete Concept Overview

The map in words

  • Electrochemistry
    • Electrochemical Cells
      • Galvanic Cells
        • Spontaneous reactions
        • Positive cell potential
        • Batteries
      • Electrolytic Cells
        • Non-spontaneous reactions
        • External voltage needed
        • Metal extraction
    • Electrode Potentials
      • Standard potentials E°
        • SHE reference 0V
        • Reduction potentials
        • Oxidation potentials
      • Nernst Equation
        • Non-standard conditions
        • Concentration effects
        • Q and cell potential
    • Conductivity
      • Conductivity κ
        • Resistivity ρ
        • Electronic conductance
        • Ionic conductance
      • Molar Conductivity Λm
        • Independent of concentration
        • Strong vs weak electrolytes
        • Kohlrausch Law
    • Electrolysis
      • Faraday's Laws
        • Charge quantity
        • Product amounts
        • Equivalent weights
      • Products
        • Electrode materials
        • Standard potentials
        • Overpotential effects
    • Batteries and Cells
      • Primary Batteries
        • Dry cell
        • Mercury cell
        • One-time use
      • Secondary Batteries
        • Lead storage
        • Nickel-cadmium
        • Rechargeable
      • Fuel Cells
        • H2-O2 cells
        • Clean energy
        • Future technology
    • Applications
      • Corrosion Prevention
        • Sacrificial anodes
        • Cathodic protection
        • Coatings
      • Industrial Production
        • Metal extraction
        • Chemical synthesis
        • Electroplating

Electrochemistry – Complete Chapter Overview

Electrochemistry – Complete Chapter Overview

The map in words

  • Electrochemistry
    • Electrochemical Cells
      • Galvanic Cell
        • Spontaneous redox
        • Daniell Cell
        • Anode Oxidation
        • Cathode Reduction
      • Electrolytic Cell
        • Non-spontaneous
        • External voltage
        • Electrolysis
    • Electrode Potential
      • Standard SHE = 0 V
      • Reduction Potential
      • Cell EMF = Ecathode minus Eanode
    • Nernst Equation
      • E = E0 minus RT over nF times lnQ
      • At 298K use 0.059 over n
      • Equilibrium Kc from E0
      • Gibbs Energy DeltaG = minus nFE
    • Conductance
      • Resistivity and Conductivity
      • Molar Conductivity
      • Cell Constant
      • Measurement by AC
    • Kohlrausch Law
      • Strong Electrolytes
        • Linear Lm vs rootc
      • Weak Electrolytes
        • Steep curve
        • Ka from alpha
      • Lm0 = sum of ionic conductivities
    • Electrolysis
      • Faradays Laws
        • First Law mass vs Q
        • Second Law equivalent weight
      • 1 Faraday = 96500 C per mol
      • Q = I times t
    • Batteries
      • Primary
        • Dry Cell 1.5V
        • Mercury Cell 1.35V
      • Secondary
        • Lead Battery 12V
        • NiCd Cell
      • Fuel Cells
        • H2 O2 cell
        • 70 percent efficient
    • Corrosion
      • Electrochemical process
      • Fe to Fe2+ at anode
      • O2 reduced at cathode
      • Rust = Fe2O3 xH2O
      • Prevention methods

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Frequently Asked Questions

What are the important topics in Electrochemistry for Punjab Board Class 12 Chemistry?
Key topics in Electrochemistry include Electrochemical Cells – Galvanic and Electrolytic, Nernst Equation, Conductance of Electrolytic Solutions, Variation of Molar Conductivity and Kohlrausch's Law. Study these first, then practise questions on each for the Punjab Board Class 12 board exam.
What do the concept maps for Electrochemistry show?
The 3 maps show how the ideas in Electrochemistry connect: Electrochemistry: Types of Cells and Their Processes; Electrochemistry: Complete Concept Overview. Each map is also written out as an outline on this page.
How should I revise Electrochemistry for the Punjab Board Class 12 board exam?
Learn the core ideas first, then work through the 45 practice questions on Electrochemistry. 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.

More resources for Electrochemistry

All Punjab Board Class 12 Chemistry Concept Maps

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