CBSE Chemistry Syllabus 2012

CBSE Chemistry Syllabus 2012 for AISSCE 2012.


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CBSE AISSCE Chemistry marks distribution 2012

Find below the marks distribution for various units of AISSCE Chemistry 2012 (Class 12).

A knowledge of the distribution of marks helps the students prepare for the exam in a good manner.

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1. Some basic concepts in Chemistry

Importance of Chemistry, physical quantities and their measurement in Chemistry, SI Units, uncertainty in measurements and use of significant figures, Unit and dimensional analysis, Matter and its nature, laws of chemical combinations, atomic, and  molecular, masses mole concept, molar masses, percentage composition and molecular formula, chemical stoichiometry.

2. States of matter

Three states of matter, gaseous state, gas laws (Boyle’s Law and Charles Law), Avogadro’s Law, Grahams’Law of diffusion, Dalton’s law of partial pressure, ideal gas equation, Kinetic theory of gases, real gases and deviation from ideal behaviour, van der Waals’ equation, liquefaction of gases and critical points,    Intermolecular forces;  liquids and solids.

3. Atomic structure

Earlier atomic models (Thomson’s and Rutherford) , emission spectrum of hydrogen atom, Bohr’s model, of hydrogen atom, Limitations of Bohr’s model, dual nature of matter and radiation, Heisenberg uncertainty principle, quantum mechanical model of atom (quantum designation of atomic orbitals and electron energy in terms of principal, angular momentum and magnetic quantum numbers), electronic spin and spin quantum numbers, Pauli’s exclusion principle, general idea of screening (constants) of outer electrons by inner electrons in an atom, Aufbau principle, Hund’s rule, atomic orbitals and their pictorial representation, electronic configurations of elements. Read more…

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