Chemistry is an important branch of science. It is a study of the composition, properties and structure of matter. Class 11 CBSE chemistry includes many chapters. If you want to score good marks in your exam, you should start your preparation from the beginning of the academic session. You should read the chapters thoroughly for a better understanding of the chapters. The syllabus is as follows:
- Chapter 1- Some Basic Concepts of Chemistry
- Chapter 2- Structure of Atom
- Chapter 3- Classification of Elements and Periodicity in Properties
- Chapter 4- Chemical Bonding and Molecular Structure
- Chapter 5- States of Matter: Gases and Liquids
- Chapter 6- Thermodynamics
- Chapter 7- Equilibrium
- Chapter 8- Redox Reactions
- Chapter 9- Hydrogen
- Chapter 10- s- Block Elements ( Alkali and Alkaline earth metals)
- Chapter 11: Some p-Block Elements
- Chapter 12- Organic Chemistry- Some Basic Principles and Techniques
- Chapter 13- Hydrocarbons
- Chapter 14- Environmental Chemistry
The syllabus will give an overview of the different topics in chemistry. During the beginning of your academic session, go through the syllabus once. The question papers will be set by referring to the syllabus. Try to stick to the syllabus. Once you are well-acquainted with the syllabus, you will be able to plan your strategy. It will also help you to keep a track of the topics that are covered. You will also get an idea of the practicals and experiments that should be performed in a laboratory.
Some of the scoring topics of class 11 Chemistry to cover first are:
- Chapter 14- Environmental chemistry
- Water Pollution
- Air Pollution
- Soil Pollution
- Green Chemistry
- Wastes and its management
These chemistry class 11 topics will be scoring if you have a good grasp of it. Learn and prepare short notes on these topics and revise thoroughly.
- Chapter 13- Hydrocarbons
- Aliphatic hydrocarbons and Aromatic hydrocarbons
For this chapter, you can practice the numericals. If you do it correctly, you will score good marks.
- Chapter 12- Organic chemistry- Some basic principles and techniques
- Organic compounds
- Shape hybridization and structure representation of carbon compounds
- Isomerism
- Nomenclature
- Homolytic cleavage
- Heterolytic cleavage
- Nucleophile
- Electrophile
- Electron displacement effects
Study the chemical reactions on these topics to full marks on these topics.
- Chapter 11- The p-block elements
- Group 13- Boron family
- Group 14- Carbon family
- General properties of p-lock elements
To score good marks, focus on chemical reactions.
- Chapter 10- The s-block elements
- Alkali metals
- Lithium and magnesium
- Anomalous behaviour of lithium
- Diagonal relationship between beryllium and aluminium
- Anomalous behaviour of beryllium
- Biological importance of magnesium
- Biological importance of aluminium
- Chapter 9- Hydrogen
- Hydrides
- Dihydrogen
- Isotopes of hydrogen
- Difference between structures of ice and water
- Chemical properties of water
- Hard and soft water
- Chapter 8- Redox reactions
- Oxidation number
- Concept of oxidation, reduction, oxidizing agent and reducing agent
- Methods for balancing redox reactions
- Types of redox reactions
- Electrochemical series
- Electrode potential
- Chapter 7- Equilibrium
- Chemical Equilibrium
- Equilibrium and physical processes
- Ionic Equilibrium
- Characteristics of Equilibria
- Factors affecting equilibria
- Equilibrium and chemical processes
- Solubility product
- Factors that affect acidic strength
- Dissociation
- Chapter 6- Thermodynamics
- Thermodynamics properties
- Types of system
- Enthalpy
- Internal energy and factors which changes the internal energy
- Internal energy and enthalpy measurements
- Enthalpy of reaction, phase transformation and formation
- First law of thermodynamics and its application
- Enthalpies of different types of reactions
- Gibbs energy phase
- Spontaneity and Entropy
- Thermochemical equations
There are many formulas in this chapter. Learn them and practice them repeatedly.
- Chapter 5- States of Matter
Intermolecular forces
- Dispersion forces or London forces
- Dipole-dipole forces
- Hydrogen bond
- Dipole-Induced dipole forces
Gas Laws
- Charles’s law
- Gay Lussac’s law
- Boyle’s law
- Avogadro law
- Dalton’s law of partial pressure
- Ideal gas equations
- Behaviour of real gases
- Postulates of kinetic molecular theory of gases
- Liquid state
- Liquefaction of gases
- Surface tension
- Vapour pressure
- Viscosity
There are graphs in these topics. Understand and practice the graph diagrams so that you score good marks in your chemistry exam.
- Chapter 4- Chemical Bonding and Molecular Structure
- Covalent bond
- Octet rule and its limitations
- Formulas for formal change
- Lattice enthalpy
- Ionic or electrovalent bond
- Bond parameters
- Steps to write Lewis Structure
- Polarity of bonds
- VSEPR theory
- Molecular orbital theory
- Types of hybridization
- Valence bond theory
- Hydrogen bonding and its types
- Resonating structures
Read and understand the rules of oxidation number. Practice a few questions from the sample papers to score good marks.
- Chapter 3- Classifications of Elements and Periodicity in Properties
- Mendeleev’s periodic table
- Modern periodic law
- Periodic trends in properties of elements
- Earlier attempts to classify elements
- Long-form of the periodic table
- Atomic radius
- Groupwise electronic configuration
- Ionization enthalpy
- Electron gain enthalpy
- Electronegativity
- Anomalous behaviour of second period elements
- Oxidation states
Learn the period table properly, so that you can score full marks in your exam.
- Chapter 2- Structure of Atom
- Models of atom: Thomson, Rutherford and Bohr
- Discovery and nature of sub-atomic particles
- Models of atom: Merits and demerits
- Photoelectric effect and black body radiations
- Planck’s quantum theory
- Dual nature of electromagnetic radiations
- Line spectrum of hydrogen and its explanation
- Atomic number and mass number
- Isotopes and Isobars
- Atomic Spectra
- Shape and energy of atomic orbitals
- Orbitals and quantum numbers
- Principles followed for filling of orbitals in an atom
- Aufbau principle
- Hund’s Rule of Maximum Multiplicity
- Electronic Configuration of Atoms
- Pauli exclusion principles
If you learn the terminologies or definitions properly, you will score full marks in your exam.
- Chapter 1 – Some Basic Concepts of Chemistry
- Classification of matter
- SI unit of various physical quantities
- Scientific notations and mathematical operations
- Dimensional analysis
- Significant figures(precision and accuracy)
- Mole concept and molar masses
- Laws of chemical combination and Dalton’s theory
- Empirical formula
- Atomic and molecular masses
- Mole fraction
- Percentage composition
- Limiting reagents
- Mass percentage
- Different formulae to express the volume of solution
- Molarity and Molality
These topics are important and scoring. There are many formulas in it. If you learn the formulas properly, you will be able to solve the problems easily. You will score full marks.
There are many chapters in class 11 Chemistry which includes formulas, numerical and chemical equations. Focus more on these chapters. You will score full marks if you solve the numerical correctly. Your examiner will also give you full marks if you write the equations correctly.
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