JKBOSE Class 11 Chemistry

Ace JKBOSE Class 11 Chemistry: 50 High-Yield Topics You Can’t Skip!

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JKBOSE Class 11 Chemistry

The Ultimate 50 Most Important Topics

Session 2025-26

Physical Chemistry (Units I, II, V, VI, VII)

Focus: Numericals, Derivations & Definitions

[Image of the Bohr model of the atom]
  1. Mole Concept: Moles from mass, volume, and particles.
  2. Limiting Reagent: Finding product yield. (High Prob.)
  3. Empirical Formula: Numerical from % composition.
  4. Bohr’s Model: Postulates and Energy En.
  5. Electronic Configuration: Exceptions like Cr and Cu.
  6. Hess’s Law: Enthalpy calculation.
  7. Le Chatelier’s Principle: Effect of P, T, and Concentration.

Inorganic Chemistry (Units III, IV, VIII-XI)

Focus: Trends, Exceptions & structures

  1. Periodic Trends: Atomic Radius and Electronegativity.
  2. VSEPR Theory: Shapes of NH3, H2O, PCl5.
  3. Hybridization: sp, sp², sp³ examples.
  4. MOT: Bond Order and N2/O2 diagrams.
  5. Solvay Process: Preparation of Na2CO3.
  6. Boranes: Structure of B2H6 (Banana Bond).
[Image of the Molecular orbital diagram of Oxygen]

Organic Chemistry (Units XII, XIII, XIV)

Focus: Mechanisms & Name Reactions

  1. IUPAC Nomenclature: Organic functional groups.
  2. Electronic Effects: Inductive and Resonance effects.
  3. Markovnikov’s Rule: Addition to alkenes.
  4. Friedel-Crafts: Alkylation & Acylation mechanism.
  5. Huckel’s Rule: Criteria for Aromaticity.
  6. Lassaigne’s Test: Detection of N, S, and Halogens.
[Image of the Friedel-Crafts alkylation mechanism]

Asterisk Classes: Analyst’s Strategy

  • The “Or” Factor: Long Answers usually have internal choice—pick the one with a diagram.
  • Organic Logic: Focus on carbocation stability to predict products.
  • Passing Package: Environment Chemistry and Basic Concepts are easy marks!

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