IB Class 11Subject library

IB Class 11 Chemistry

Chapter-wise notes, previous year papers, sample papers and Q&A for IB Class 11 chemistry — free, syllabus-aligned, exam-ready.

9 chapters~135 min read totalFree · printable

Chapters

9 chapters — sequenced for revision and exam prep.

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IB chapters aren't published yet — showing the NCERT equivalent

IB runs the PYP/MYP/DP syllabus, which does not map onto NCERT chapters. Use this for the concepts; check chapter names and order against your own textbook.

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Some Basic Concepts of Chemistry

The language of chemistry — mole concept, empirical and molecular formulas, stoichiometry, limiting reagents, and concentration units. CBSE Class 11 Chemistry Chapter 1.

CBSE⏱ 15 minRead chapter

Structure of Atom

The subatomic world — atomic models, Bohr's theory, quantum numbers, atomic orbitals, and electronic configurations. CBSE Class 11 Chemistry Chapter 2.

CBSE⏱ 15 minRead chapter

Classification of Elements and Periodicity

The periodic table — historical development, electronic configurations, periodic trends in atomic radius, ionisation energy, electron gain enthalpy, and electronegativity. CBSE Class 11 Chemistry Chapter 3.

CBSE⏱ 15 minRead chapter

Chemical Bonding and Molecular Structure

The forces that hold atoms together — ionic and covalent bonds, VSEPR theory, hybridisation, molecular orbital theory, and hydrogen bonding. CBSE Class 11 Chemistry Chapter 4.

CBSE⏱ 15 minRead chapter

Thermodynamics

The energy changes in chemical reactions — enthalpy, Hess's law, entropy, Gibbs free energy, and the criterion of spontaneity. CBSE Class 11 Chemistry Chapter 5.

CBSE⏱ 15 minRead chapter

Equilibrium

Chemical equilibrium — the law of mass action, Kc and Kp, Le Chatelier's principle, acid-base equilibria, pH, buffer solutions, and solubility product. CBSE Class 11 Chemistry Chapter 6.

CBSE⏱ 15 minRead chapter

Redox Reactions

Oxidation and reduction, oxidation numbers, balancing redox equations, and the electrochemical series. CBSE Class 11 Chemistry Chapter 7.

CBSE⏱ 15 minRead chapter

Organic Chemistry — Basic Principles

The foundations of organic chemistry — IUPAC nomenclature, isomerism, inductive effect, resonance, and reaction mechanisms. CBSE Class 11 Chemistry Chapter 8.

CBSE⏱ 15 minRead chapter

Hydrocarbons

The chemistry of alkanes, alkenes, alkynes, and aromatic hydrocarbons — preparation, physical and chemical properties, and reaction mechanisms. CBSE Class 11 Chemistry Chapter 9.

CBSE⏱ 15 minRead chapter

Chemistry resources for Class 11

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IB Class 11 Chemistry