The West Bengal Joint Entrance Examination 2015 (WBJEE 2015) will be held on April 18, 19. Aspirants who wish to appear for the entrance exam can go through the Chemistry Syllabus by reading this article. Also Read - Inspiring! Meerut Woman Who Left Home To Avoid Forced Marriage Returns As PCS Officer 7 Years Later
Atoms, Molecules and Chemical Arithmetic:
Dalton’s atomic theory; Gay Lussac’s law of gaseous volume; Avogadro’s Hypothesis and its
Atomic mass; Molecular mass; Equivalent weight; Valency; Gram atomic weight; Gram molecular weight; Gram equivalent weight and mole concept; Chemical formulae; Balanced chemical equations; Calculations (based on mole concept) involving common oxidation – reduction, neutralization, and displacement reactions; Concentration in terms of mole fraction, molarity, molality and normality. Percentage composition, empirical formula and molecular formula; Numerical problems. Also Read - Before Reporting For Duty, This Bengaluru Cop Teaches Children of Migrant Workers Everyday For An Hour
Concept of Nuclear Atom – electron, proton and neutron (charge and mass), atomic number. Rutherford’s
model and its limitations; Extra nuclear structure; Line spectra of hydrogen atom.
Quantization of energy (Planck’s equation E = hν); Bohr’s model of hydrogen atom and its limitations,
Sommerfeld’s modifications (elementary idea); The four quantum numbers, ground state electronic
configurations of many electron atoms and mono – atomic ions; The Aufbau Principle; Pauli’s Exclusion
Principle and Hund’s Rule.
Dual nature of matter and light, de Broglie’s relationship, Uncertainty principle; The concept of atomic
orbitals, shapes of s, p and d orbitals (pictorial approach). Also Read - Ready to Send Children Back to School? 78% Parents Say No, Willing to Let Kids Repeat An Academic Year
Radioactivity and Nuclear Chemistry:
Radioactivity α-, β-, γ rays and their properties; Artificial transmutation; Rate of radioactive decay, decay
constant, half-life and average age life period of radio-elements; Units of radioactivity; Numerical
Stability of the atomic nucleus – effect of neutron-proton (n/p) ratio on the modes of decay, group
displacement law, radioisotopes and their uses (C, P, Co and I as examples) isobars and isotones (definition and examples), elementary idea of nuclear fission and fusion reactions.
The Periodic Table and Chemical Families:
Modern periodic law (based on atomic number); Modern periodic table based on electronic configurations, groups (Gr. 1-18) and periods. Types of elements – representative (s-block and p- block), transition (d-block) elements and inner transition (f-block/lanthanides and actinides) and their general characteristics. Periodic trends in physical and chemical properties – atomic radii, valency, ionization energy, electron affinity, electronegativity, metallic character, acidic and basic characters of oxides and
hydrides of the representative elements (up to Z = 36). Position of hydrogen and the noble gases in the
periodic table; Diagonal relationships.
Chemical Bonding and Molecular Structure:
Valence electrons, the Octet rule, electrovalent, covalent and coordinate covalent bonds with examples;
Properties of electrovalent and covalent compounds. Limitations of Octet rule (examples);
For complete Chemistry syllabus aspirants can click here
You may want to read:
WBJEE 2015: Physics syllabus
WBJEE 2015: Mathematics syllabus
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