RAS PRE CHEMISTRY SYALLBUS

Chemistry (Code No. 05)
Section 'A'
Atomic number, Electronic configuration of elements, Aufbauprinciple, Hund's
Multiplicity Rules, Paulis Exclusion Principle, long form of the Periodic Classification of
elements; salient characteristics of 's', 'p', 'd' and 'f' block elements.
Atomic and ionic radii, ionisation potential, electron affinity and
electronegativity; their variation with the position of the elements in the periodic table.
Natural and artificial radioactivity theory of nuclear disintegration; disintegration
and displacement laws; radioactive series; nuclear bindings, energy, nuclear reaction,
fission,, and fusion, radioactive isotopes and their uses.
Electronic Theory of Valency. Elementary ideas about sigma and pi-bonds,
hybridization and directional nature of covalent bonds. Shapes of simple molecules bond
order and bond length.
Oxidation states and oxidation numbers. Common redox reactions; ionic
equations.
Bronsted and Lewis theorise of acids and bases.
Chemistry of common elements and their compounds, treated from the point of
view of periodic classification.
Principles of extraction of metals, as illustrated by sodium, copper, aluminium,
iron and nickel.
Werner's theories of coordination compounds and types of isomerism in 6- and 4-
co-ordinate complexes. Role of co-ordination compounds in nature, common
metallurgical and analytical operations.
Structures of diborane, aluminium chloride, ferrocene, alkyl magnesium halides,
dichlorodiamineplatinum and xenon fluorides.
Common ion effect, solubility products and their applications in qualitative
inorganic analysis.
Section 'B'
Electron displacements- inductive, mesomeric and hyperconjugative effects-
effects of structure on dissociation constants of acids and bases-bond formation and bond
fission of covalent bonds- reaction intermediates carbonations, carbanions, free radicals
and carbenes-nucleophiles and electrophiles.
Alkanes, alkenes and alkynes-petroleum as a source of organic compounds -
simple derivatives of aliphatic compounds; halides, alcohols, aldehydes, ketones, acids,
esters, acid chlorides, amides, anhydrides ethers, amines and nitro compounds;
monohydroxy, ketonic and amino acids. Grignard reagents; active methylene group-
malonic and acetoacetic esters and their synthetic uses-unsaturated acids.
Stereochemistry - Elements of symmerty, chirality, optical isomerism of lactic
and tartaric acids, D, L- notation, R,S- notation of compounds containing chiral centres,
concept of conformation- Fischer, Sawhorse and Newman projections of butane-2, 3-diol
geometrical isomerism of maleic and fumaric acids, E and Z notation of geometrical
isomers.
Carbohydrates - Classification and general reactions, structures of glucose,
fructose and sucrose, general idea on the chemistry of starch and celluose.