Class 11 Chemistry Syllabus

Moving from class 10 to Class 11 is like taking a highly advanced academic leap. The particular academic session plays a vital role in the lives of students in terms of imparting the correct knowledge to equip them with relevant information to knit a great career ahead. A different wave of pressure is witnessed by Science stream students. Chemistry is one of the primary subjects studied in classes 11 & 12. CBSE has brought about the new and updated chemistry syllabus for class 11. The updated curriculum would make students ready to take up a successful career in Chemistry not just in India, but abroad as well. Through this blog, let us discuss everything you need to know about the class 11 chemistry syllabus.

Class 11 Chemistry Syllabus 2023-24

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

Also Read: Scope of 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

Equilibrium Class 11 Notes

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 − C₃^2-, S^2-, S₃^2-, NO₃^–, Cl^–, Br, I^–, PO³⁺, C₂O₄^2-, CH₃ COO^–(Note − Insoluble salts excluded)
• Detection of -Nitrogen, Sulphur, Chlorine in organic compounds.

Must Read: Chemistry Projects for Class 11

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