Chemistry chapters
  1. 01Alcohols, Phenols & Ethers
  2. 02Aldehydes & Ketones
  3. 03Amines
  4. 04Atomic Structure
  5. 05Biomolecules
  6. 06Carboxylic Acids & Derivatives
  7. 07Chemical Bonding & Molecular Structure
  8. 08Chemical Equilibrium
  9. 09Chemical Kinetics
  10. 10Coordination Compounds
  11. 11Electrochemistry
  12. 12General Organic Chemistry
  13. 13Haloalkanes & Haloarenes
  14. 14Hydrocarbons
  15. 15IUPAC Nomenclature
  16. 16Ionic Equilibrium
  17. 17Isomerism
  18. 18Metallurgy
  19. 19Periodic Table & Periodicity
  20. 20Polymers
  21. 21Practical / Purification of Organic Compounds
  22. 22Qualitative & Salt Analysis
  23. 23Redox Reactions
  24. 24Solid State
  25. 25Solutions
  26. 26Some Basic Concepts of Chemistry
  27. 27States of Matter
  28. 28Surface Chemistry
  29. 29Thermodynamics & Thermochemistry
  30. 30d & f Block Elements
  31. 31p-Block Elements
  32. 32s-Block Elements
  33. 33Environmental Chemistry & Everyday Life

Chapter 30 · Class 11-12 & JEE/NEET

d & f Block Elements

50 topics in 18 parts

Full lessonClass 11 Chemistry · The s-Block Elements

Key ideas

Zn Anode (-) 1M ZnSO₄ (aq) Zn → Zn²⁺ + 2e⁻ Cu Cathode (+) 1M CuSO₄ (aq) Cu²⁺ + 2e⁻ → Cu Salt Bridge (Agar-Agar + KCl) V e⁻ flow → E°_cell = E°_cathode - E°_anode = +1.10 V
d & f Block Elements

Diagnostic Comparison & Property Matrix

Parameter / FeatureStandard State / Condition AAltered State / Condition B
Driving ForceThermodynamic control (more stable product)Kinetic control (lower activation barrier)
Solvent DependencyPolar protic solvent stabilizes charge separationPolar aprotic solvent accelerates bare nucleophilicity
Temperature InfluenceHigh temperatures favor elimination / endothermicMild temperatures favor addition / exothermic
Common PitfallOverlooking rearrangement or stereochemical inversionNeglecting boundary limits or stoichiometric coefficients

All 50 topics in d & f Block Elements

  1. D-Block: Variable Oxidation State

    • Stability Of The Various Oxidation States
    • Highest Oxidation States & Oxoanions
    • Oxidizing & Reducing Character of Ions
  2. D-Block: Complexes

    • Complex Formation Ability & Coordination Compounds
  3. D-Block: Size Of Atoms And Ions

    • Atomic & Ionic Radii Trends
    • Lanthanide Contraction Effect on 5d Series
  4. D-Block: Melting And Boiling Points

    • Melting & Boiling Point Trends
    • Enthalpy of Atomisation
  5. D-Block: Reactivity Of Metals

    • Reactivity & Passivation
    • Transition Metal Oxides & Amphoteric Character
  6. D-Block: Ionization Energies

    • Ionization Enthalpy Trends
    • Standard Electrode Potentials (E° Values)
  7. D-Block: Colour

    • Incompletely Filled d Or f Shell
    • Polarization
    • d-d Transitions & Absorption Spectra
  8. D-Block: Magnetic Properties

    • Spin-Only Magnetic Moment
    • Paramagnetism & Diamagnetism
  9. D-Block: Chromate And Dichromate

    • Preparation
    • Properties
    • Chromyl Chloride Test & Structure
  10. D-Block: Manganate And Permanganate

    • Preparation
    • Properties
    • Redox Titrations & n-Factor
  11. D-Block: Silver And Its Compounds

    • Silver Nitrate (AgNO₃)
    • Silver Halides & Tarnishing
  12. D-Block: Zinc And Its Compounds

    • Zinc Chloride (ZnCl₂)
    • Zinc Oxide (ZnO)
    • Zinc Sulphate (ZnSO₄)
    • Comparison of Zn, Cd, Hg
  13. D-Block: Copper And Its Compounds

    • Copper Chloride (CuCl₂)
    • Copper Oxide (CuO)
    • Copper Sulphate (CuSo₄)
    • Stability of Cu2+ vs Cu+
  14. D-Block: Iron Compounds

    • Iron Chloride (FeCl₂)
    • Iron Oxide (FeO)
    • Iron Sulphate (FeSO₄.7H₂O)
    • Mohr's Salt
  15. F-Block

    • Properties of Lanthanides & Their Ions
    • Uses Of Lanthanides
    • Lanthanide Oxidation States
    • Lanthanide Contraction
  16. F-Block: Actinides

    • Properties of Actinides & Their Ions
    • Uses Of Actinoids
    • Electronic Configurations & Oxidation States
  17. F-Block: Comparison Between Lanthanoids And Actinoids

    • Differences
    • Similarities
  18. D-Block: General Properties & Compounds

    • Electronic Configuration & Metallic Character
    • Density & Abundance Trends
    • Catalytic Activity & Interstitial Compounds
    • General Transition Metal Compounds & Oxides