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Revision Notes

d- and f-Block ElementsRevision Notes

JEE Advanced · Chemistry

Quick revision notes for d- and f-Block Elements — key concepts, formulas, and definitions for JEE Advanced Chemistry preparation.

Revision Notes — d- and f-Block Elements

Key concepts, formulas, and definitions from d- and f-Block Elements for JEE Advanced Chemistry preparation.

Key Topics to Revise

1

Introduction and Electronic Configuration

  • d-block elements: General electronic configuration (n-1)d¹⁻¹⁰ ns¹⁻²
  • Transition elements have incompletely filled d-orbitals in ground state or stable oxidation states
  • Zn, Cd, Hg are non-typical transition elements (completely filled d-orbitals)
2

Physical Properties

  • Metallic character: High tensile strength, thermal/electrical conductivity, metallic luster
  • High melting and boiling points due to strong metallic bonding involving d-electrons
  • Atomic radii trend: Generally decrease across period, then remain constant, slight increase at end
3

Variable Oxidation States

  • Multiple oxidation states due to small energy difference between (n-1)d and ns orbitals
  • Common oxidation states differ by unity (+2, +3, +4, +5, etc.)
  • Maximum oxidation state = Group number (up to Mn), then decreases
4

Ionization Energies and Electrode Potentials

  • Ionization energies generally increase across series with some irregularities
  • IE₁ values lie between s-block (lower) and p-block (higher) elements
  • High IE₂ for Cr and Cu due to stable d⁵ and d¹⁰ configurations respectively

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Key Concepts

Transition elements have general electronic configurationTransition elements show multiple oxidation statesTransition metal compounds are paramagnetic dueMost transition metal compounds are coloredTransition metals and their compounds show

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Frequently Asked Questions

What topics are covered in d- and f-Block Elements for JEE Advanced?

d- and f-Block Elements is an important chapter in JEE Advanced Chemistry. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: Introduction and Electronic Configuration, Physical Properties, Variable Oxidation States, Ionization Energies and Electrode Potentials.

d- and f-Block Elements is a frequently tested chapter in JEE Advanced Chemistry. Questions from this chapter appear regularly in previous year papers. There are 79 practice questions available for this chapter.

Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.