---
type: "Subject"
knowledge_type: "subject"
entity_type: "subject"
id: "66ab5c44543b6f461d7a9d03"
title: "Class 11 - Chemistry"
board: "CBSE"
curriculum: "CBSE"
class_id: "66ab5807ffbb5019db72215c"
class: "Class 11"
class_name: "Class 11"
class_slug: "class-11"
class_canonical_url: "https://www.edzy.ai/cbse-class-11"
class_markdown_url: "https://www.edzy.ai/okf/class/cbse-class-11.md"
subject: "Chemistry"
subject_slug: "chemistry"
canonical_url: "https://www.edzy.ai/cbse-class-11-chemistry"
markdown_url: "https://www.edzy.ai/okf/subject/cbse-class-11-chemistry.md"
source_type: "examSubject"
source_id: "66ab5c44543b6f461d7a9d03"
source: "Edzy"
book_count: "2"
chapter_count: "9"
topic_count: "64"
version: "1"
last_updated: "2026-06-26"
language: ""
expected_scripts: "Latin"
content_script_note: "English metadata labels with supplied source scripts preserved"
svg_icon: "https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/b5f6152b-af22-4dd2-8f48-4c08f85c17c8.svg"
color_name: "Royal Purple"
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---

Chemistry is a CBSE Class 11 subject on Edzy.

## Knowledge Snapshot

| Field | Details |
| :--- | :--- |
| Board | CBSE |
| Curriculum | CBSE |
| Class | Class 11 |
| Subject | Chemistry |
| Subject Slug | chemistry |
| Book Count | 2 |
| Chapter Count | 9 |
| Topic Count | 64 |
| Last Updated | 2026-06-26 |

---

## OKF Hierarchy

| Level | Title | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- |
| Class | Class 11 | https://www.edzy.ai/cbse-class-11 | https://www.edzy.ai/okf/class/cbse-class-11.md |
| Subject | Chemistry | https://www.edzy.ai/cbse-class-11-chemistry | https://www.edzy.ai/okf/subject/cbse-class-11-chemistry.md |

---

## Book Index

| No. | Book ID | Book | Book Slug | Chapters | Topics | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | 66ae541b191fdf5766655b76 | Chemistry Part - I | chemistry-part-i | 6 | 0 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i | https://www.edzy.ai/okf/book/cbse-class-11-chemistry-chemistry-part-i.md |
| 2 | 66ae541b191fdf5766655b82 | Chemistry Part - II | chemistry-part-ii | 3 | 0 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-ii | https://www.edzy.ai/okf/book/cbse-class-11-chemistry-chemistry-part-ii.md |

---

## Book-Wise Chapter Index

### Chemistry Part - I

| No. | Chapter ID | Chapter | Chapter Number In Book | Pages | Page Count | Topics | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | 66f149e80821118bf5c5f24e | Some Basic Concepts of Chemistry | 1 | 1-28 | 28 | 7 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-some-basic-concepts-of-chemistry | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-some-basic-concepts-of-chemistry.md |
| 2 | 66f149f40821118bf5c5f27b | Structure of Atom | 2 | 29-73 | 45 | 6 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-structure-of-atom | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-structure-of-atom.md |
| 3 | 66f149ff0821118bf5c5f2a7 | Classification of Elements and Periodicity in Properties | 3 | 74-99 | 26 | 7 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-classification-of-elements-and-periodicity-in-properties | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-classification-of-elements-and-periodicity-in-properties.md |
| 4 | 66f14a090821118bf5c5f2d3 | Chemical Bonding and Molecular Structure | 4 | 100-135 | 36 | 8 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-chemical-bonding-and-molecular-structure | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-chemical-bonding-and-molecular-structure.md |
| 5 | 66f14a130821118bf5c5f2ff | Thermodynamics | 5 | 136-167 | 32 | 7 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-thermodynamics | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-thermodynamics.md |
| 6 | 66f14a1c0821118bf5c5f32b | Equilibrium | 6 | 168-228 | 61 | 11 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-equilibrium | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-equilibrium.md |

### Chemistry Part - II

| No. | Chapter ID | Chapter | Chapter Number In Book | Pages | Page Count | Topics | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | 66f14b204d1ea3af32a4c2b4 | Redox Reactions | 1 | 235-255 | 21 | 5 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-ii-redox-reactions | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-ii-redox-reactions.md |
| 2 | 66f14b2c4d1ea3af32a4c2e1 | Organic Chemistry – Some Basic Principles and Techniques | 2 | 256-294 | 39 | 8 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-ii-organic-chemistry-some-basic-principles-and-techniques | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-ii-organic-chemistry-some-basic-principles-and-techniques.md |
| 3 | 66f14b394d1ea3af32a4c30d | Hydrocarbons | 3 | 295-328 | 34 | 5 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-ii-hydrocarbons | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-ii-hydrocarbons.md |

---

## Chapter Index

| No. | Book ID | Chapter ID | Chapter | Chapter Number In Book | Pages | Page Count | Topics | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | 66ae541b191fdf5766655b76 | 66f149e80821118bf5c5f24e | Some Basic Concepts of Chemistry |  | 1-28 | 28 | 7 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-some-basic-concepts-of-chemistry | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-some-basic-concepts-of-chemistry.md |
| 2 | 66ae541b191fdf5766655b76 | 66f149f40821118bf5c5f27b | Structure of Atom |  | 29-73 | 45 | 6 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-structure-of-atom | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-structure-of-atom.md |
| 3 | 66ae541b191fdf5766655b76 | 66f149ff0821118bf5c5f2a7 | Classification of Elements and Periodicity in Properties |  | 74-99 | 26 | 7 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-classification-of-elements-and-periodicity-in-properties | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-classification-of-elements-and-periodicity-in-properties.md |
| 4 | 66ae541b191fdf5766655b76 | 66f14a090821118bf5c5f2d3 | Chemical Bonding and Molecular Structure |  | 100-135 | 36 | 8 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-chemical-bonding-and-molecular-structure | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-chemical-bonding-and-molecular-structure.md |
| 5 | 66ae541b191fdf5766655b76 | 66f14a130821118bf5c5f2ff | Thermodynamics |  | 136-167 | 32 | 7 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-thermodynamics | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-thermodynamics.md |
| 6 | 66ae541b191fdf5766655b76 | 66f14a1c0821118bf5c5f32b | Equilibrium |  | 168-228 | 61 | 11 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-i-equilibrium | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-equilibrium.md |
| 7 | 66ae541b191fdf5766655b82 | 66f14b204d1ea3af32a4c2b4 | Redox Reactions |  | 235-255 | 21 | 5 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-ii-redox-reactions | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-ii-redox-reactions.md |
| 8 | 66ae541b191fdf5766655b82 | 66f14b2c4d1ea3af32a4c2e1 | Organic Chemistry – Some Basic Principles and Techniques |  | 256-294 | 39 | 8 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-ii-organic-chemistry-some-basic-principles-and-techniques | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-ii-organic-chemistry-some-basic-principles-and-techniques.md |
| 9 | 66ae541b191fdf5766655b82 | 66f14b394d1ea3af32a4c30d | Hydrocarbons |  | 295-328 | 34 | 5 | https://www.edzy.ai/cbse-class-11-chemistry-chemistry-part-ii-hydrocarbons | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-ii-hydrocarbons.md |

---

## Topic Inventory

| No. | Topic ID | Topic |
| :--- | :--- | :--- |
| 1 | 69abcc76a243cecf96852572 | Importance of Chemistry |
| 2 | 69abcc76a243cecf96852574 | Nature of Matter |
| 3 | 69abcc76a243cecf96852576 | Properties of Matter and Their Measurement |
| 4 | 69abcc76a243cecf96852578 | Laws of Chemical Combinations |
| 5 | 69abcc76a243cecf9685257a | Dalton's Atomic Theory |
| 6 | 69abcc76a243cecf9685257c | Atomic and Molecular Masses |
| 7 | 69abcc76a243cecf9685257e | Stoichiometry and Stoichiometric Calculations |
| 8 | 69abcc8aa243cecf96852a71 | Discovery of Sub-Atomic Particles |
| 9 | 69abcc8aa243cecf96852a73 | Atomic Models |
| 10 | 69abcc8aa243cecf96852a75 | Developments Leading to the Bohr Model of Atom |
| 11 | 69abcc8aa243cecf96852a78 | Bohr’s Model for Hydrogen Atom |
| 12 | 69abcc8aa243cecf96852a80 | Towards Quantum Mechanical Model of the Atom |
| 13 | 69abcc8aa243cecf96852a83 | Quantum Mechanical Model of Atom |
| 14 | 69abcc3da243cecf968517d9 | Why do we need to classify elements? |
| 15 | 69abcc3da243cecf968517db | Genesis of periodic classification |
| 16 | 69abcc3da243cecf968517dd | Modern periodic law and the present form of the periodic table |
| 17 | 69abcc3da243cecf968517df | Nomenclature of elements with atomic numbers > 100 |
| 18 | 69abcc3da243cecf968517e1 | Electronic configurations of elements and the periodic table |
| 19 | 69abcc3da243cecf968517e3 | Trends in physical properties |
| 20 | 69abcc3da243cecf968517e5 | Periodic trends in chemical properties |
| 21 | 69abccdda243cecf96853df8 | KÖSSEL-LEWIS APPROACH TO CHEMICAL BONDING |
| 22 | 69abccdda243cecf96853dfb | IONIC OR ELECTROVALENT BOND |
| 23 | 69abccdda243cecf96853e01 | BOND PARAMETERS |
| 24 | 69abccdda243cecf96853e05 | VALENCE SHELL ELECTRON PAIR REPULSION (VSEPR) THEORY |
| 25 | 69abccdda243cecf96853e09 | VALENCE BOND THEORY |
| 26 | 69abccdda243cecf96853e0b | HYBRIDISATION |
| 27 | 69abccdda243cecf96853e0d | MOLECULAR ORBITAL THEORY |
| 28 | 69abccdda243cecf96853e0f | HYDROGEN BONDING |
| 29 | 69abccb8a243cecf968535ef | Thermodynamic Terms |
| 30 | 69abccb8a243cecf968535f1 | Applications |
| 31 | 69abccb8a243cecf968535f3 | Measurement of ∆U and ∆H: Calorimetry |
| 32 | 69abccb8a243cecf968535f5 | Enthalpy change, ∆rH for a reaction – Reaction Enthalpy |
| 33 | 69abccb8a243cecf968535f7 | Enthalpies for different Types of Reactions |
| 34 | 69abccb8a243cecf968535f9 | Spontaneity |
| 35 | 69abccb8a243cecf968535fb | Gibbs Energy Change and Equilibrium |
| 36 | 69abccfda243cecf96854c2d | Equilibrium in Physical Processes |
| 37 | 69abccfda243cecf96854c40 | Buffer Solutions |
| 38 | 69abccfda243cecf96854c42 | Solubility Equilibria of Sparingly Soluble Salts |
| 39 | 69abccfda243cecf96854c30 | Equilibrium in Chemical Processes - Dynamic Equilibrium |
| 40 | 69abccfda243cecf96854c32 | Law of Chemical Equilibrium and Equilibrium Constant |
| 41 | 69abccfda243cecf96854c34 | Homogeneous Equilibria |
| 42 | 69abccfda243cecf96854c36 | Heterogeneous Equilibria |
| 43 | 69abccfda243cecf96854c38 | Factors Affecting Equilibria |
| 44 | 69abccfda243cecf96854c3a | Ionic Equilibrium in Solution |
| 45 | 69abccfda243cecf96854c3c | Acids, Bases and Salts |
| 46 | 69abccfda243cecf96854c3e | Common Ion Effect in the Ionization of Acids and Bases |
| 47 | 69abcce5a243cecf96853fce | Classical Idea of Redox Reactions – Oxidation and Reduction Reactions |
| 48 | 69abcce5a243cecf96853fd0 | Redox Reactions in Terms of Electron Transfer Reactions |
| 49 | 69abcce5a243cecf96853fd2 | Oxidation Number |
| 50 | 69abcce5a243cecf96853fd4 | Types of Redox Reactions |
| 51 | 69abcce5a243cecf96853fd6 | Redox Reactions and Electrochemical Processes |
| 52 | 69abcd42a243cecf96855cc4 | General Introduction |
| 53 | 69abcd42a243cecf96855cc7 | TetraValence of Carbon: Shapes of Organic Compounds |
| 54 | 69abcd42a243cecf96855cc9 | Structural Representations of Organic Compounds |
| 55 | 69abcd42a243cecf96855ccb | Classification of Organic Compounds |
| 56 | 69abcd42a243cecf96855ccd | Nomenclature of Organic Compounds |
| 57 | 69abcd42a243cecf96855ccf | Isomerism |
| 58 | 69abcd42a243cecf96855cd1 | Fundamental Concepts in Organic Reaction Mechanism |
| 59 | 69abcd42a243cecf96855cd3 | Methods of Purification of Organic Compounds |
| 60 | 69abcd84a243cecf96856d24 | Classification |
| 61 | 69abcd84a243cecf96856d26 | Alkanes |
| 62 | 69abcd84a243cecf96856d28 | Alkenes |
| 63 | 69abcd84a243cecf96856d2a | Alkynes |
| 64 | 69abcd84a243cecf96856d2d | Aromatic Hydrocarbons |

---

## Related OKF Entities

| Entity Type | Title | Markdown URL |
| :--- | :--- | :--- |
| Class | Class 11 | https://www.edzy.ai/okf/class/cbse-class-11.md |
| Book | Chemistry Part - I | https://www.edzy.ai/okf/book/cbse-class-11-chemistry-chemistry-part-i.md |
| Book | Chemistry Part - II | https://www.edzy.ai/okf/book/cbse-class-11-chemistry-chemistry-part-ii.md |
| Chapter | Some Basic Concepts of Chemistry | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-some-basic-concepts-of-chemistry.md |
| Chapter | Structure of Atom | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-structure-of-atom.md |
| Chapter | Classification of Elements and Periodicity in Properties | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-classification-of-elements-and-periodicity-in-properties.md |
| Chapter | Chemical Bonding and Molecular Structure | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-chemical-bonding-and-molecular-structure.md |
| Chapter | Thermodynamics | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-thermodynamics.md |
| Chapter | Equilibrium | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-i-equilibrium.md |
| Chapter | Redox Reactions | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-ii-redox-reactions.md |
| Chapter | Organic Chemistry – Some Basic Principles and Techniques | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-ii-organic-chemistry-some-basic-principles-and-techniques.md |
| Chapter | Hydrocarbons | https://www.edzy.ai/okf/chapter/cbse-class-11-chemistry-chemistry-part-ii-hydrocarbons.md |

---

## Source Attribution

| Field | Value |
| :--- | :--- |
| Source | Edzy |
| Reference Type | examSubject |
| Reference ID | 66ab5c44543b6f461d7a9d03 |
| Subject ID | 66ab5c44543b6f461d7a9d03 |
| Canonical URL | https://www.edzy.ai/cbse-class-11-chemistry |
| Markdown URL | https://www.edzy.ai/okf/subject/cbse-class-11-chemistry.md |
| Last Updated | 2026-06-26 |