Chemistry Grade 11 — CBSE (2025-26)
Welcome to this comprehensive Grade 11 Chemistry textbook, aligned with the Central Board of Secondary Education (CBSE) 2025-26 syllabus.
About This Book
This book is designed to help students:
- Master core chemistry concepts across all 9 units of the CBSE Class XI syllabus
- Develop competency-based problem-solving skills through previous years’ CBSE questions
- Visualize abstract concepts through detailed SVG diagrams and illustrations
- Practice extensively with questions drawn from the last 5 years of CBSE board exams and official sample papers
Syllabus Overview
| Unit | Topic | Marks |
|---|---|---|
| 1 | Some Basic Concepts of Chemistry | 7 |
| 2 | Structure of Atom | 9 |
| 3 | Classification of Elements and Periodicity in Properties | 6 |
| 4 | Chemical Bonding and Molecular Structure | 7 |
| 5 | Chemical Thermodynamics | 9 |
| 6 | Equilibrium | 7 |
| 7 | Redox Reactions | 4 |
| 8 | Organic Chemistry: Some Basic Principles and Techniques | 11 |
| 9 | Hydrocarbons | 10 |
| Total | 70 |
How to Use This Book
Each chapter follows a structured format:
- Theory — Key concepts explained with examples and illustrations
- Worked Examples — Step-by-step solutions to important problem types
- SVG Diagrams — Vector graphics for molecular structures, graphs, and experimental setups
- Practice Questions — Competency-based questions organized as:
- Multiple Choice Questions (MCQs)
- Short Answer Questions (2-3 marks)
- Long Answer Questions (5 marks)
- Numerical Problems
- Assertion-Reason Questions
Note: Mathematical equations are rendered using LaTeX. Inline math appears as \( E = mc^2 \) and display math appears as:
\[ PV = nRT \]
Based on the CBSE Senior Secondary Chemistry Syllabus 2025-26. Questions sourced from CBSE Board Examinations and Official Sample Papers (2020-2025).
Copyright © 2026 by Abhishek Kumar (support@abhishek-kumar.co.in). All rights reserved.