Find important questions with answers for CBSE Class 11 Chemistry for session 2018 – 2019. These important questions for class XI Chemistry are value based questions and prepared by team of teachers and subject experts.
Chapter-1 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.
Chapter-2 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.
Chapter-3 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.
Chapter-4 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.
Chapter-5 States of Matter
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. Deviation from ideal behaviour, liquefaction of gases, critical temperature, kinetic energy and molecular speeds (elementary idea)Liquid State- vapour pressure, viscosity and surface tension (qualitative idea only, no mathematical derivations).
Some Other Important Topics for Class 11-Chemistry

CBSE Syllabus
Find latest CBSE syllabus for Class 11 Chemistry which contains the list of topics and subtopics to […]
Revision Notes
Find Quick Revision notes for class 11 Chemistry created by a team of subject experts to help […]
NCERT Solutions
Our teachers and course experts has created NCERT SOLUTIONS for CBSE Class 11 Chemistry in easy understandable […]
CBSE Exemplar Solutions
Find here CBSE Exemplar Solutions for CBSE Class 11 Chemistry prepared for benefits of students to score […]
Practice Question Paper
Here you can find chapter wise practice questions with answers for CBSE Class 11 Chemistry. Our subject […]
Sample Papers
Find sample papers with solutions for CBSE Class 11 Chemistry for session 2018-2019. Sample papers for class […]
Online Test Series
WebCoach team have prepared chapter wise online test series with solutions with subject eXIperts for CBSE Class […]