CBSE Class 11-science Answered

Please tell me the important topics of chemistry (pradeep's edition) class 11? also tell me the marks carried by chemistry chapters?

Asked by Suryavanshikatoch | 16 Feb, 2019, 07:35: PM

Expert Answer

The more weightage chapters include: "Chemical Bonding and Molecular Structure"

States of Matter: Gases, Liquids and solids

Chemical Thermodynamics

Equilibrium

Redox Reactions

Hydrogen

s -Block Elements

p -Block Elements

Individual important topics include:

Chemical Bonding and Molecular Structure

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

States of Matter: Gases, Liquids and Solids

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

Liquid State: vapour pressure, viscosity and surface tension

Unit cell in two dimensional and three dimensional lattices, calculation of density of unit cell, packing in solids, packing efficiency, voids, number of atoms per unit cell in a cubic unit cell

Chemical Thermodynamics

First law of thermodynamics -internal energy and enthalpy, heat capacity and specific heat, measurement of AU and AH, Hess's law of constant heat summation, enthalpy of bond dissociation, Second law of Thermodynamics (brief introduction). Introduction of entropy as a state function, Gibb's energy change for spontaneous and non- spontaneous processes,

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, Henderson Equation

Redox Reactions

Redox reactions, oxidation number, balancing redox reactions, in terms of loss and gain of electrons and change in oxidation number

Hydrogen

Preparation, properties and uses of hydrogen, hydrides-ionic covalent and interstitial; physical and chemical properties of water, heavy water, hydrogen peroxide -preparation, reactions and structure and use

s -Block Elements

Most of the topics are important. Leaving any topic would be a loss

p -Block Elements

All the Group 13, 14 and 15 elements are important

Answered by Sivanand Patnaik | 16 Feb, 2019, 09:44: PM