A general outline of topics that are typically covered in a Class 11 Chemistry curriculum:
Basic Concepts of Chemistry:
- Importance and scope of chemistry
- Laws of chemical combination
- Dalton's atomic theory
- Modern atomic theory
Structure of Atom:
- Discovery of subatomic particles
- Thomson's model and Rutherford's model of an atom
- Bohr's model and its limitations
- Quantum mechanical model of an atom
- Quantum numbers and their significance
Classification of Elements and Periodicity in Properties:
- Mendeleev's periodic table
- Modern periodic law and the long form of the periodic table
- Trends in properties of elements: atomic and ionic radii, ionization enthalpy, electron gain enthalpy, electronegativity
Chemical Bonding and Molecular Structure:
- Types of chemical bonds
- Lewis structure and formal charge
- VSEPR theory
- Valence bond theory
- Molecular orbital theory
- Hydrogen bonding and its effects
States of Matter:
- Gaseous state
- Ideal gas equation
- Deviation from ideal behavior
- Liquid state
- Solid state: classification, crystal lattice, unit cell
Thermodynamics:
- System, surroundings, and types of thermodynamic processes
- First law of thermodynamics
- Internal energy and enthalpy
- Enthalpy change in various processes
- Second law of thermodynamics
- Entropy and spontaneity
- Gibbs free energy and its applications
Equilibrium:
- Dynamic nature of equilibrium
- Law of mass action and equilibrium constant
- Factors affecting equilibrium: Le Chatelier's principle
- Ionic equilibrium
- Acids, bases, and buffers
Redox Reactions:
- Oxidation and reduction
- Balancing redox reactions
- Electrochemical cells
- Nernst equation and its applications
Hydrogen:
- Position in the periodic table
- Preparation, properties, and uses of hydrogen
- Isotopes of hydrogen
- Hydrides
S-Block Elements:
- Group 1 and Group 2 elements
- General properties, occurrence, and uses
- Anomalous properties of the first elements
P-Block Elements:
- Group 13 to Group 18 elements
- General properties, occurrence, and uses
Environmental Chemistry:
- Environmental pollution
- Air and water pollution
- Ozone depletion, greenhouse effect, and global warming
| Units | Topics | Marks |
|---|---|---|
| I | Basic Concepts of Chemistry | 11 |
| II | Structure of Atom | |
| III | Classification of Elements & Periodicity in Properties | 4 |
| IV | Chemical Bonding and Molecular Structure | 21 |
| V | States of Matter: Gases and Liquids | |
| VI | Thermodynamics | |
| VII | Equilibrium | |
| VIII | Redox Reactions | 16 |
| IX | Hydrogen | |
| X | s-Block Elements | |
| XI | Some p-Block Elements | |
| XII | Organic Chemistry: Basic Principles & Techniques | 18 |
| XIII | Hydrocarbons | |
| XIV | Environmental Chemistry | |
| Total | 70 |
Class 11 Chemistry Syllabus Course Structure
Based on the table below, let us discuss all the theoretical units of the class 11 chemistry syllabus and the prominent topics under them:
| Unit No. | Title |
| 1 | Some Basic Concepts of Chemistry |
| 2. | Structure of Atom |
| 3. | Classification of Element and Periodicity in Properties |
| 4. | Chemical Bonding and Molecular Structure |
| 5. | States of Matter: Gases and Liquids |
| 6. | Chemical Thermodynamics |
| 7 | Equilibrium |
| 8. | Redox Reactions |
| 9. | Hydrogen |
| 10. | s-Block Elements (Alkali and Alkaline Earth Materials) |
| 11. | p-Block Elements |
| 12. | Organic Chemistry- Some Basic Principles and Techniques |
| 13. | Hydrocarbons |
| 14. | Environment Chemistry |
Unit 1: Some Basic Concepts of Chemistry
Introducing the subjects of advanced chemistry to the students, this unit of the class 11 chemistry syllabus teaches the students about the following topics:
- Importance and scope of chemistry
- Laws of chemical combination
- Dalton’s atomic theory
- Atomic and molecular masses
- Concept of mole
- Stoichiometry and the calculations based on it.
Some Basic Concepts of Chemistry Class 11
Unit 2: Structure of Atom
Given below is the list of eminent chapters under this unit of the class 11 chemistry syllabus
- Bohr’s model and limitations
- Broglie’s relationship
- Dual nature of matter and light
- Electronic configuration of atoms
- Quantum numbers
- Aufbau principle
Unit 3: Classification of Element and Periodicity in Properties
Familiarizing the students with the concepts of periodic tables, this unit of the class 11 chemistry syllabus includes the following:
- Modern periodic law and its present form
- Periodic trends in properties of elements (atomic radii, ionic radii, electronic gain enthalpy, electronegativity)
- Nomenclature of elements with atomic numbers more than 100
Unit 4: Chemical Bonding & Molecular Structure
Given below are the essential topics covered under the fourth unit of the class 11 chemistry syllabus.
- Valence electrons
- Lewis structure
- VSEPR theory
- Hybridization
- Molecular orbital theory of homonuclear diatomic molecules
Unit 5: States of Matter: Gases and Liquids
The fifth unit of the class 11 chemistry syllabus acquaints the students about the matter and various laws through the topics below.
- The three states of matter (types of bonding, intermolecular interactions, boiling and melting points)
- Gay Lussac’s law
- Boyle’s law
- Avogadro’s number
- Liquefaction of gases
- Viscosity and surface tension
Unit 6: Chemical Thermodynamics
Explaining all three laws of thermodynamics, the CBSE class 11 chemistry syllabus includes the following essential topics.
- Systems- concept and types
- First, second and third laws of thermodynamics
Unit 7: Equilibrium
This unit emphasizes the students about concepts of equilibrium by teaching them the following topics in the class 11 chemistry syllabus.
- Equilibrium in chemical and physical processes
- Dynamic nature of equilibrium
- Le Chatelier’s principle
- Henderson equation
- Buffer solution
Unit 8: Redox Reactions
Here is everything the students need to know about redox reactions through this unit of the class 11 chemistry syllabus
- Concept of oxidation and reduction
- Balancing redox reactions
- Applications of redox reactions
Unit 9: Hydrogen
Putting a detailed glimpse of Hydrogen, this unit of the class 11 chemistry syllabus includes:
- Position of hydrogen in the periodic table, isotopes, occurrence
- Uses and properties of hydrogen
- Hydrogen peroxide (structure, reaction and preparation)
- Hydrogen as a fuel
Unit 10: s-Block Elements (Alkali and Alkaline Earth Materials)
The students will be made aware of the s-Block elements through these topics of the class 11 chemistry syllabus below:
- General introduction of Group 1 and Group 2 elements
- Electronic configuration
- Trends in chemical reactivity with oxygen
- Properties and preparations of compounds ( sodium chloride, sodium hydrogen carbonate, sodium hydroxide)
- Biological importance of potassium and sodium
- Industrial uses of calcium oxide and calcium carbonate
Unit 11: p-Block Elements
Teaching the students about group 13 and group 14 elements, this unit of class 11 chemistry syllabus incorporates:
- Group 13 elements and Group 14 (occurrence, electronic configuration, oxidation states, etc.)
- Physical and chemical properties of Boron and its compounds
- Carbon-catenation
- Allotropic forms
Unit 12: Organic Chemistry- Some Basic Principles and Techniques
The twelfth unit of the class 11 chemistry syllabus introduces the students to the basics of organic chemistry through a multitude of the following topics.
- Organic compounds (introduction, quantitative and qualitative analysis, methods of purification, classification and nomenclature)
- Electronic displacements in a covalent bond
- Homolytic and heterolytic fission of a covalent bond
- Types of organic reactions
- Resonance and hyperconjugation
Also Read: Class 12 Organic Chemistry
Unit 13: Hydrocarbons
Students are taught about the different types of hydrocarbons through this unit of chemistry syllabus.
- Classification of hydrocarbons
- Aliphatic Hydrocarbons
- Alkanes (isomerism, conformation, chemical reactions, physical properties)
- Alkenes (structure of the double bond, geometrical isomerism, preparation methods, chemical reactions)
- Alkynes (structure of the triple bond, chemical reactions, physical properties, preparation methods)
- Aromatic Hydrocarbons
- Friedel Craft’s alkylation and acylation
Unit 14: Environmental Chemistry
In the advent of increasing environmental concerns, the students will be made aware of various aspects of the environment with a view of chemistry.
- Environmental pollution
- Chemical reactions in the environment
- Greenhouse effect and global warming
- Atmospheric pollutants
- Green chemistry as an alternative tool for combating pollution
Class 11 Chemistry Syllabus Reduced
Tabulated below are the topics that have been deleted for the academic session 2023- 2024:
| Chapters | Deleted Topics |
| Some Basic Concepts of Chemistry | -Dalton’s atomic theory: Concept of elements, atoms and molecules -Nature of matter -Laws of chemical combination |
| Structure of Atom | -Thomson’s model and its limitation -Rutherford’s model and its limitations -Proton and Neutron -Discovery of Electron |
| Classification of Elements and Periodicity in Properties | -Brief history of the development of the periodic table -Significance of classification |
| States of Matter: Gases and Liquids | -Liquid State- vapour pressure, viscosity and surface tension (qualitative idea only, no mathematical derivations) -Liquefaction of gases -Critical temperature -Kinetic energy and molecular speeds (elementary idea) |
| Chemical Thermodynamics | -Criteria for equilibrium -Heat capacity and specific heat capacity |
| Equilibrium | -Hydrolysis of salts (elementary idea) -Henderson Equation |
| Redox Reactions | Applications of redox reactions |
| Hydrogen | -Hydrogen peroxide: Preparation -Preparation, properties and uses of hydrogen -Reactions and structure and use |
| s -Block Elements | -Calcium Oxide and Calcium Carbonate and their industrial uses – Biological importance of Magnesium and Calcium -Preparation and Properties of Some Important Compounds: Sodium Hydroxide, Sodium Carbonate, Sodium Chloride and Sodium Hydrogen carbonate, Biological importance of Sodium and Potassium |
| Some p -Block Elements | -Carbon: uses of some important compounds: oxides -Important compounds of Silicon -Few uses: Silicon Tetrachloride, Silicones, Silicates and Zeolites, their uses -Some important compounds: Borax, Boric acid, Boron Hydrides, -Aluminium: Reactions with acids and alkalies, uses |
| Organic Chemistry: Some Basic Principles and Techniques | -Qualitative and quantitative analysis -Methods of purification |
| Hydrocarbons | -Combustion and pyrolysis -Free radical mechanism of halogenation |
| Environmental Chemistry | Chapter Deleted |
Must Read: Some Basic Concepts of Chemistry Class 11
Practical Syllabus
The experiments will be conducted under the supervision of subject teacher. CBSE Chemistry Practicals is for 30 marks. This contribute to the overall practical marks for the subject.
The table below consists of evaluation scheme of practical exams.
| Evaluation Scheme | Marks |
| Volumetric Analysis | 08 |
| Salt Analysis | 08 |
| Content Based Experiment | 06 |
| Project Work | 04 |
| Class record and viva | 04 |
| Total | 30 |
Practical Syllabus Breakdown
Here is the breakdown of the Class 11th Chemistry syllabus for practicals:
A. Basic Laboratory Techniques
- Cutting glass tube and glass rod
- Bending a glass tube
- Drawing out a glass jet
- Boring a cork
B. Characterization and Purification of Chemical Substances
- Determination of melting point of an organic compound.
- Determination of boiling point of an organic compound.
- Crystallization of impure sample of any one of the following: Alum, Copper Sulphate, Benzoic Acid.
C. Experiments based on pH
(a) Any one of the following experiments −
- Determination of pH of some solutions obtained from fruit juices, solution of known and varied
- concentrations of acids, bases and salts using pH paper or universal indicator.
- Comparing the pH of solutions of strong and weak acids of same concentration.
- Study the pH change in the titration of a strong base using universal indicator.
(b) Study the pH change by common-ion in case of weak acids and weak bases.
D. Chemical Equilibrium
One of the following experiments −
- Study the shift in equilibrium between ferric ions and thiocyanate ions by increasing/decreasing the concentration of either of the ions.
- Study the shift in equilibrium between [Co(H2O)6]2+ and chloride ions by changing the concentration of either of the ions.
E. Quantitative Estimation
- Using a chemical balance
- Preparation of standard solution of Oxalic acid
- Determination of strength of a given solution of Sodium Hydroxide by titrating it against standard solution of Oxalic acid
- Preparation of standard solution of Sodium Carbonate
- Determination of strength of a given solution of Hydrochloric acid by titrating it against standard Sodium Carbonate solution
F. Qualitative Analysis
- Determination of one anion and one cation in a given saltCations − Pb2+, Cu2+ As3+A13+, Fe3+, Mn2+, Ni2+, Zn2+, Co2+Ca2+, Sr2+, Ba2+, Mg2+,Anions − C32-, S2-, S32-, NO3–, Cl–, Br, I–, PO3+, C2O42-, CH3 COO–(Note − Insoluble salts excluded)
- Detection of -Nitrogen, Sulphur, Chlorine in organic compounds.
