{"id":242898,"date":"2022-11-03T15:46:07","date_gmt":"2022-11-03T10:16:07","guid":{"rendered":"https:\/\/www.aakash.ac.in\/blog\/?p=242898"},"modified":"2024-05-16T12:01:18","modified_gmt":"2024-05-16T06:31:18","slug":"cbse-class-11-chemistry-syllabus-2023-check-revised-syllabus-for-cbse-academic-year-2022-23","status":"publish","type":"post","link":"https:\/\/www.aakash.ac.in\/blog\/cbse-class-11-chemistry-syllabus-2023-check-revised-syllabus-for-cbse-academic-year-2022-23\/","title":{"rendered":"CBSE Class 11 Chemistry Syllabus 2023: Check Revised Syllabus for CBSE Academic Year 2022-23"},"content":{"rendered":"

Chemistry is one of the fundamental branches of science. Chemistry is also known as the science of atoms and molecules. The Central Board of Secondary Education has released the revised syllabus for CBSE Class 11 Chemistry. This syllabus will help students to get to know the prescribed units along with their weightage for the CBSE Class 11 Chemistry for the session 2022-23.<\/p>\n

CBSE Class 11\u00a0Chemistry\u00a0Syllabus<\/h2>\n

Theory Paper<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
S.No.<\/strong><\/td>\nUNIT<\/strong><\/td>\nMARKS<\/strong><\/td>\n<\/tr>\n
1.<\/strong><\/td>\nSome Basic Concepts of Chemistry<\/strong><\/td>\n7<\/strong><\/td>\n<\/tr>\n
2.<\/strong><\/td>\nStructure of Atom<\/strong><\/td>\n9<\/strong><\/td>\n<\/tr>\n
3.<\/strong><\/td>\nClassification of Elements and Periodicity in Properties<\/strong><\/td>\n6<\/strong><\/td>\n<\/tr>\n
4.<\/strong><\/td>\nChemical Bonding and Molecular Structure<\/strong><\/td>\n7<\/strong><\/td>\n<\/tr>\n
5.<\/strong><\/td>\nChemical Thermodynamics<\/strong><\/td>\n9<\/strong><\/td>\n<\/tr>\n
6.<\/strong><\/td>\nEquilibrium<\/strong><\/td>\n7<\/strong><\/td>\n<\/tr>\n
7.<\/strong><\/td>\nRedox Reactions<\/strong><\/td>\n4<\/strong><\/td>\n<\/tr>\n
8.<\/strong><\/td>\nOrganic Chemistry: Some basic Principles and Techniques<\/strong><\/td>\n11<\/strong><\/td>\n<\/tr>\n
9.<\/strong><\/td>\nHydrocarbons<\/strong><\/td>\n10<\/strong><\/td>\n<\/tr>\n
\u00a0<\/strong><\/td>\nTOTAL<\/strong><\/td>\n70<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Practical <\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
Evaluation Scheme for Examination<\/strong><\/td>\nMarks<\/strong><\/td>\n<\/tr>\n
Volumetric Analysis<\/td>\n08<\/td>\n<\/tr>\n
Salt Analysis<\/td>\n08<\/td>\n<\/tr>\n
Content Based Experiment<\/td>\n06<\/td>\n<\/tr>\n
Project Work<\/td>\n04<\/td>\n<\/tr>\n
Class record and viva<\/td>\n04<\/td>\n<\/tr>\n
Total<\/strong><\/td>\n30<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

CBSE Class 11 Chemistry Detailed Syllabus<\/h2>\n

Unit I: Some Basic Concepts of Chemistry<\/strong><\/p>\n

General Introduction: Importance and scope of Chemistry. Nature of matter, laws of chemical combination, Dalton’s atomic theory: the 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.<\/p>\n

Unit II: Structure of Atom<\/strong><\/p>\n

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.<\/p>\n

Unit III: Classification of Elements and Periodicity in Properties\u00a0<\/strong><\/p>\n

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.<\/p>\n

Unit IV: Chemical Bonding and Molecular Structure<\/strong><\/p>\n

Valence electrons, ionic bond, covalent bond, bond parameters, Lewis\u2019s 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.<\/p>\n

Unit VI: Chemical Thermodynamics<\/strong><\/p>\n

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 \u0394U and \u0394H, 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).<\/p>\n

Unit VII: Equilibrium\u00a0<\/strong><\/p>\n

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).<\/p>\n

Unit VIII: Redox Reactions<\/strong><\/p>\n

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.<\/p>\n

Unit XII: Organic Chemistry -Some Basic Principles and Techniques\u00a0<\/strong><\/p>\n

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.<\/p>\n

Unit XIII: Hydrocarbons<\/strong><\/p>\n

Classification of Hydrocarbons<\/strong><\/p>\n

Aliphatic Hydrocarbons:<\/strong><\/p>\n

Alkanes – Nomenclature, isomerism, conformation (ethane only), physical properties, chemical reactions including free radical mechanism of halogenation, combustion and pyrolysis.<\/p>\n

Alkenes – Nomenclature, the 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.<\/p>\n

Alkynes – Nomenclature, the 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.<\/p>\n

Aromatic Hydrocarbons:<\/strong><\/p>\n

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

Prescribed Books:<\/strong><\/h4>\n
    \n
  • Chemistry Part \u2013 I Class-XI, Published by NCERT<\/li>\n
  • Chemistry Part \u2013 II, Class-XI, Published by NCERT<\/li>\n
  • Laboratory Manual of Chemistry, Class XI Published by NCERT<\/li>\n
  • Other related books and manuals of NCERT including multimedia and online sources<\/li>\n
  • NCERT Solutions for Class 11 by Aakash<\/li>\n<\/ul>\n

    FAQs about CBSE Class 11 Chemistry Syllabus 2023<\/h2>\n\t\t
    \n\t\t\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t

    Is there any change in CBSE 11th syllabus 2022-23?<\/h3>\n\t\t\t\t\t
    \n\t\t\t\t\t\t

    CBSE class 11 syllabus is reduced for the session 2022-23. The board has given the list of deleted topics in the CBSE syllabus for class 11 Physics, Chemistry, Mathematics, Biology, Accountancy, Business Studies, History, Geography, and other subjects.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t

    Will there be 2 terms in 2023?<\/h3>\n\t\t\t\t\t
    \n\t\t\t\t\t\t

    The Central Board of Secondary Education (CBSE) confirmed that it will hold CBSE Board Exams 2023 only once this year. In 2023, the CBSE will not conduct Term 1 and Term 2 exams. Instead, it will conduct exams annually.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t

    How many chapters are there in Chemistry in Class 11?<\/h3>\n\t\t\t\t\t
    \n\t\t\t\t\t\t

    All of the 14 chapters in the syllabus provided by CBSE for Class 11 Chemistry are divided into units for mark distribution.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t

    Which reference book is the most suitable for NEET Chemistry 2022?<\/h3>\n\t\t\t\t\t
    \n\t\t\t\t\t\t

    - NCERT (Textbook) Chemistry \u2013 Class 11 & 12
    \n- Physical Chemistry by O.P. Tandon
    \n- Physical Chemistry by P. Bahadur
    \n- ABC of Chemistry for Class 11 and 12 by Modern<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t

    Where to download the CBSE class 11 Chemistry syllabus 2022-23?<\/h3>\n\t\t\t\t\t
    \n\t\t\t\t\t\t

    Here on this page, you can check the CBSE Class 11 Chemistry syllabus 2022-23 or you can visit the CBSE official website to download all subjects\u2019 syllabus 2022-23.<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\n","protected":false},"excerpt":{"rendered":"

    Chemistry is one of the fundamental branches of science. Chemistry is also known as the science of atoms and molecules. The Central Board of Secondary Education has released the revised syllabus for CBSE Class 11 Chemistry. This syllabus will help students to get to know the prescribed units along with their weightage for the CBSE […]<\/p>\n","protected":false},"author":3,"featured_media":242902,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3581],"tags":[],"class_list":["post-242898","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cbse"],"yoast_head":"\nCBSE Class 11 Chemistry Syllabus 2023: Check Revised Syllabus for CBSE Academic Year 2022-23<\/title>\n<meta name=\"description\" content=\"Here we have provided CBSE Class 11 Chemistry Syllabus 2022-23 for all subjects. 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