CBSE Syllabus for Class 11 Chemistry 2024-2025

CBSE Class 11 Chemistry Syllabus

Chemistry in class 11 is a large subject that requires a thorough comprehension of the principles and themes. Knowing the CBSE Class 11 Chemistry syllabus would assist students in comprehending the Chemistry course structure for the academic year 2023-2024. Class 11 students learn what they need to study, how much each unit is worth, and how long it will take them to complete it by going over the syllabus. Students can design their study schedule based on this information. The final exam question paper will be framed according to the CBSE Class 11 Chemistry syllabus, so students must adhere to it.

The CBSE Syllabus for Class 11 Chemistry contains information on practicals, projects, assignments, and other topics that must be covered during the academic year.

CBSE Class 11 Syllabus for Other Subjects

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CBSE Class 11 Computer Science Syllabus

Term Wise CBSE Class 11 Chemistry Syllabus 2024-2025

Term I CBSE Class 11 Chemistry Syllabus 2024-25

 

The table below shows the marks distribution and number of periods allocated for Term 1.

 

Unit No.	Unit Name	No. of Periods	Marks
Unit I	Some Basic Concepts of Chemistry	10	11
Unit II	Structure of Atom	12
Unit III	Classification of Elements and Periodicity in Properties	06	04
Unit IV	Chemical Bonding and Molecular Structure	14	06
Unit V	Redox Reactions	04	05
Unit VI	Hydrogen	04
Unit VII	Organic Chemistry: Some Basic Principles and Techniques	10	9
	Total	60	35

Some Basic Concepts of Chemistry:

General Introduction: Importance and scope of Chemistry. Atomic and molecular masses, mole concept and molar mass, percentage composition, empirical and molecular formula, chemical reactions, stoichiometry and calculations based on stoichiometry.

Structure of Atom:

Bohr’s model and its limitations, concept of shells and subshells, dual nature of matter and light, de Broglie’s relationship, Heisenberg uncertainty principle, concept of orbitals, quantum numbers, shapes of s, p and d orbitals, rules for filling electrons in orbitals – Aufbau principle, Pauli’s exclusion principle and Hund’s rule, electronic configuration of atoms, stability of half-filled and completely filled orbitals.

Classification of Elements and Periodicity in Properties:

Modern periodic law and the present form of periodic table, periodic trends in properties of elements -atomic radii, ionic radii, inert gas radii, Ionization enthalpy, electron gain enthalpy, electronegativity, valency. Nomenclature of elements with atomic number greater than 100.

Chemical Bonding and Molecular Structure:

Valence electrons, ionic bond, covalent bond, bond parameters, Lewis structure, polar character of covalent bond, covalent character of ionic bond, valence bond theory, resonance, geometry of covalent molecules, VSEPR theory, concept of hybridization, involving s, p and d orbitals and shapes of some simple molecules, molecular orbital theory of homonuclear diatomic molecules(qualitative idea only), Hydrogen bond.

Redox Reactions:

Concept of oxidation and reduction, redox reactions, oxidation number, balancing redox reactions, in terms of loss and gain of electrons and change in oxidation number.

Hydrogen:

Position of hydrogen in periodic table, occurrence, isotopes, hydrides-ionic covalent and interstitial; physical and chemical properties of water, heavy water, hydrogen as a fuel

Organic Chemistry: Some basic Principles and Techniques:

General introduction, classification and IUPAC nomenclature of organic compounds. Electronic displacements in a covalent bond: inductive effect, electromeric effect, resonance and hyper conjugation. Homolytic and heterolytic fission of a covalent bond: free radicals, carbocations, carbanions, electrophiles and nucleophiles, types of organic reactions.

 

Term II CBSE Class 11 Syllabus for Chemistry 2023-24

 

Unit No.	Unit Name	No. of Periods	Marks
Unit V	States of Matter: Gases and Liquids	09	15
Unit VI	Chemical Thermodynamics	14
Unit VII	Equilibrium	12
Unit X	s -Block Elements	05	11
Unit XI	p -Block Elements	09
Unit XIII	Hydrocarbons	10	9
	Total	59	35

 

States of Matter: Gases and Liquids:

Three states of matter, intermolecular interactions, types of bonding, melting and boiling points, role of gas laws in elucidating the concept of the molecule, Boyle’s law, Charles law, Gay Lussac’s law, Avogadro’s law, ideal behaviour, empirical derivation of gas equation, Avogadro’s number, ideal gas equation and deviation from ideal behaviour.

Chemical Thermodynamics:

Concepts of System and types of systems, surroundings, work, heat, energy, extensive and intensive properties, state functions. First law of thermodynamics – internal energy and enthalpy, measurement of U and H, Hess’s law of constant heat summation, enthalpy of bond dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution and dilution. Second law of Thermodynamics (brief introduction)
Introduction of entropy as a state function, Gibb’s energy change for spontaneous and nonspontaneous processes.
Third law of thermodynamics (brief introduction).

Equilibrium:

Equilibrium in physical and chemical processes, dynamic nature of equilibrium, law of mass action, equilibrium constant, factors affecting equilibrium – Le Chatelier’s principle, ionic equilibrium- ionization of acids and bases, strong and weak electrolytes, degree of ionization, ionization of poly basic acids, acid strength, concept of pH, buffer solution, solubility product, common ion effect (with illustrative examples).

s -Block Elements:

Group 1 and Group 2 Elements -General introduction, electronic configuration, occurrence, anomalous properties of the first element of each group, diagonal relationship, trends in the variation of properties (such as ionization enthalpy, atomic and ionic radii), trends in chemical reactivity with oxygen, water, hydrogen and halogens, uses.

Some p -Block Elements:

General Introduction to p -Block Elements Group 13 Elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous properties of first element of the group, Boron – physical and chemical properties. Group 14 Elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous behaviour of first elements. Carbon-catenation, allotropic forms, physical and chemical properties.

Hydrocarbons:

Classification of Hydrocarbons Aliphatic Hydrocarbons: Alkanes – Nomenclature, isomerism, conformation (ethane only), physical properties, chemical reactions.
Alkenes – Nomenclature, structure of double bond (ethene), geometrical isomerism, physical properties, methods of preparation, chemical reactions: addition of hydrogen, halogen, water, hydrogen halides (Markovnikov’s addition and peroxide effect), ozonolysis, oxidation, mechanism of electrophilic addition.
Alkynes – Nomenclature, structure of triple bond (ethyne), physical properties, methods of preparation, chemical reactions: acidic character of alkynes, addition reaction of – hydrogen, halogens, hydrogen halides and water.

Aromatic Hydrocarbons:

Introduction, IUPAC nomenclature, benzene: resonance, aromaticity, chemical properties: mechanism of electrophilic substitution. Nitration, sulphonation, halogenation, Friedel Craft’s alkylation and acylation, directive influence of functional group in monosubstituted benzene. Carcinogenicity and toxicity.

Term Wise CBSE Class 11 Chemistry Practical Syllabus with Marking Scheme

Practical work is equally important in the Chemistry class. Students gain a better understanding of the theory by carrying out experiments in the lab. As a result, students must be familiar with the CBSE Chemistry Practical Syllabus as well as the list of experiments included in it. In addition, each term's Chemistry practical is worth 15 points. As a result, students must do their best in practicals as well. It will aid in the improvement of their overall score.

CBSE Class 11 Chemistry Practical Syllabus for Term 1

CBSE Term I Chemistry Practical is of 15 marks. It will be conducted under the supervision of subject teacher. This contribute to the overall practical marks for the subject.

The table below shows the evaluation scheme of term 1 practical exams.

 

Evaluation Scheme for Term 1	Marks
Volumetric Analysis	08
Content Based Experiment	02
Class record and viva (Internal Examiner)	05
Total	15

 

Term 1 CBSE Syllabus for Class 11 Chemistry Practical 2024-25

Micro-chemical methods are available for several of the practical experiments. Wherever possible such techniques should be used:

A. Basic Laboratory Techniques

1. Cutting glass tube and glass rod
2. Bending a glass tube
3. Drawing out a glass jet
4. Boring a cork

B. Characterization and Purification of Chemical Substances

1. Determination of melting point of an organic compound.
2. Determination of boiling point of an organic compound.

CBSE Class 11 Chemistry Practical Syllabus for Term 2

CBSE Term II Chemistry Practical is of 15 marks. It will be conducted under the supervision of subject teacher. This contribute to the overall practical marks for the subject.

 

Evaluation Scheme for Term 2	Marks
Salt Analysis	08
Content Based Experiment	02
Project Work and Viva(Internal)	05
Total	15

 

Term 2 CBSE Syllabus for Class 11 Chemistry Practical 2024-25

 

A. Quantitative Estimation

1. Using a mechanical balance/electronic balance.
2. Preparation of standard solution of Oxalic acid.
3. Determination of strength of a given solution of Sodium hydroxide by titrating it against standard solution of Oxalic acid.
4. Preparation of standard solution of Sodium carbonate.
5. Determination of strength of a given solution of hydrochloric acid by titrating it against standard Sodium Carbonatesolution.

B. Qualitative Analysis

1. Determination of one anion and one cation in a given salt

   Cations‐ Pb2+, Cu2+, As3+, Al3+, Fe3+, Mn2+, Ni2+, Zn2+, Co2+, Ca2+, Sr2+, Ba2+, Mg2+, NH4 +

   Anions – (CO3)2‐ , S2‐, NO2‐ , SO32‐, SO2‐ , NO ‐ , Cl‐ , Br‐, I‐, PO43‐ , C2O2‐ ,CH3COO‐

   (Note: Insoluble salts excluded)

2. Detection of ‐ Nitrogen, Sulphur, Chlorine in organic compounds.
3. PROJECTS

   Scientific investigations involving laboratory testing and collecting information from other sources.