UK Board Class 11 Chemistry Syllabus 2024-25
The Uttarakhand Board has released the syllabus for the school year 2024-25. This includes the course outline, topics and practical work. Chemistry helps students understand substances, reactions and processes in the world, with practical uses in areas such as healthcare, technology, the environment and industry.
The syllabus lists the topics covered in each section and the grades for each part. The Grade 11 Chemistry syllabus has a total of 100 points, with 70 points for theory and 30 for project work. Students should refer to the full article for more details.
Chemistry Theory Program
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, molar concept and molar mass, percentage composition, empirical and molecular formula, chemical reactions, stoichiometry and stoichiometry-based calculations.
Unit II: Structure of the Atom
Discovery of Electrons, Protons and Neutrons, atomic number, isotopes and isobars. The Thomson model and its limitations. Rutherford model and its limitations, Bohr model and its limitations, concept of shells and subshells, dual nature of matter and light, de Broglie relation, Heisenberg uncertainty principle, concept of orbitals, quantum numbers, forms of s, p and d orbitals, rules for filling electrons in orbitals: Aufbau principle, Pauli 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
Importance of classification, brief history of the development of the periodic table, modern periodic law and the current form of the periodic table, periodic trends in the properties of elements: atomic radii, ionic radii, radii of inert gases, enthalpy of ionization, electron gain enthalpy, electronegativity, valence. Nomenclature of elements with atomic number greater than 100.
Unit IV: Chemical bond 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 orbital shapes of some simple molecules, molecular orbital theory of homonuclear diatomic molecules (qualitative idea only), hydrogen bonding.
Unit V: Chemical Thermodynamics
System concepts and types of systems, environment, 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 addition, 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 function of state, change in Gibb’s energy for spontaneous and non-spontaneous processes, equilibrium criteria. Third law of thermodynamics (brief introduction).
Unit VI: Balance
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 polybasics. 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, balance of 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, purification methods, qualitative and quantitative analysis, IUPAC classification and nomenclature of organic compounds. Electronic displacements in a covalent bond: inductive effect, electromeric effect, resonance and hyperconjugation. Homolytic and heterolytic fission of a covalent bond: free radicals, carbocations, carbanions, electrophiles and nucleophiles, types of organic reactions.
Unit IX: Hydrocarbons
Hydrocarbon Classification
Aliphatic hydrocarbons:
Alkanes: nomenclature, isomerism, conformation (ethane only), physical properties, chemical reactions, including the mechanism of halogenation, combustion and pyrolysis of free radicals.
Alkenes: nomenclature, structure of the double bond (ethene), geometric isomerism, physical properties, methods of preparation, chemical reactions: addition of hydrogen, halogen, water, hydrogen halides (Markovnikov addition and peroxide effect), ozonolysis, oxidation, mechanism of electrophile. addition.
Alkynes – Nomenclature, structure of the triple bond (ethyne), physical properties, preparation methods, chemical reactions: acidic character of alkynes, -hydrogen addition reaction, halogens, hydrogen halides and water.
Aromatic hydrocarbons:
Introduction, IUPAC nomenclature, benzene: resonance, aromaticity, chemical properties: electrophilic substitution mechanism. Nitration, sulfonation, halogenation,
Friedel Craft alkylation and acylation, directive influence of the functional group in monosubstituted benzene. Carcinogenicity and toxicity.
Download the PDF
Click here and consult the full PDF.
Exam pattern
Here is the exam pattern for the theory exam.
Disclaimer: The information above is for general informational purposes only. All information on the Site is provided in good faith; However, we make no representations or warranties of any kind, express or implied, regarding the accuracy, adequacy, validity, reliability, availability or completeness of any information on the Site.