UK Board Class 11 Chemistry Syllabus 2024-25 Released: The Uttarakhand Board has released the syllabus for the 2024-25 academic session. This syllabus encompasses the course structure, topics, and practical work. Chemistry provides a deeper understanding of the substances, reactions, and processes that shape our world, along with practical applications in fields ranging from healthcare and technology to the environment and industry. The syllabus details the subjects covered in each section, along with the corresponding marks allocated. In total, the 11th Chemistry syllabus comprises 100 marks, with 70 marks designated for theory and 30 for project work. For a more detailed understanding, students are encouraged to refer to the complete article.
UK Board Class 11 Chemistry Syllabus 2024-25
The UBSE Chemistry for Class 11 is a 100-mark course that is divided into theory and internal assessment. The weights is 70% and 30% respectively. Check out the table below for more details:
| S.No. | UNIT | 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 | 7 |
| 9 | Hydrocarbons | 10 |
| Total | 30 |
UK Board Class 11 Chemistry Course Structure
The theory part will consist of 80 marks and the project part will consist of 20 marks. To know the topics covered under each section, refer to the syllabus below. To download the PDF of the same, click on the link given at the bottom of this article.
Unit I: Some Basic Concepts of Chemistry
General Introduction: Importance and scope of Chemistry. Nature of matter, laws of chemical combination, Dalton's atomic theory: concept of elements, atoms and molecules. Atomic and molecular masses, mole concept and molar mass, percentage composition, empirical and molecular formula, chemical reactions, stoichiometry and calculations based on stoichiometry.
Unit II: Structure of Atom
Discovery of Electron, Proton and Neutron, atomic number, isotopes and isobars. Thomson's model and its limitations. Rutherford's model and its limitations, 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.
Unit III: Classification of Elements and Periodicity in Properties
Significance of classification, brief history of the development of periodic table, 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.
Unit IV: 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.
Unit V: 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, heat capacity and specific heat, 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 non-spontaneous processes, criteria for equilibrium. Third law of thermodynamics (brief introduction).
Unit VI: 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, hydrolysis of salts (elementary idea), buffer solution, Henderson Equation, solubility product, common ion effect (with illustrative examples).
Unit VII: 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, applications of redox reactions.
Unit VIII: Organic Chemistry -Some Basic Principles and Techniques
General introduction, methods of purification, qualitative and quantitative analysis, 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.
Unit IX: Hydrocarbons
Classification of Hydrocarbons
Aliphatic Hydrocarbons:
Alkanes - Nomenclature, isomerism, conformation (ethane only), physical properties,
chemical reactions including free radical mechanism of halogenation, combustion and
pyrolysis.
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.
Practical Work
Find below the table for the bifurcation along with the marks distribution:
| Evaluation Scheme for Examination | Marks |
| Volumetric Analysis | 6 |
| Salt Analysis | 6 |
| Content Based Experiment | 5 |
| Project Work | 4 |
| Class record and viva | 4 |
| Continuous Assessment (Unit Test) | 5 |
| Total | 30 |
To download the UK Board Class 11 Chemistry syllabus PDF click on the link:
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