Chemistry1.doc - All India Civil Services Preliminary...

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All India Civil Services Preliminary Examination Syllabus for Optional Subject - Chemistry 120 Questions – 300 Marks – 2 Hours duration Section-A (Inorganic Chemistry) 1. Atomic structure : ySchrodinger wave equation, significance of 2yand quantum numbers and their significance, radial and angular probability, shapes of orbitals, relative energies of atomic orbitals as a function of atomic number. Electronic configurations of elements; Aufbau principle, Hund's multiplicity rule, Pauli Exclusion Principle 2. Chemical periodicity : Periodic classification of elements, salient characteristics of s,p,d and f block elements. Periodic trends of atomic radii, ionic radii, ionisation potential, electron affinity and electronegativity in the periodic table 3. Chemical bonding : Types of bonding, overlap of atomic orbitals, sigma and pi bonds, hydrogen and metallic bonds. Shapes of molecules, bond order, bond length, V.S.E.P.R. theory and bond angles. The concept of hybridization and shapes of molecules and ions 4. Oxidation states and oxidation number : Oxidation and reduction, oxidation numbers, common redox reactions, ionic equations. Balancing of equations for oxidation and reduction reactions 5. Acids and bases : Bronsted and Lewis theories of acids and bases. Hard and soft acids and bases. HSAB principle, relative strengths of acids and bases and the effect of substituents and solvents on their strength 6. Chemistry of elements : I. Hydrogen: Its unique position in the periodic table, isotopes, ortho and para hydrogen, industrial production, heavy water II. Chemistry of s and p block elements : electronic configuration, general characteristics properties, inert pair effect, allotropy and catenation. Special emphasis on solutions of alkali and alkaline earth metals in liquid ammonia. Preparation, properties and structures of boric acid, borates, boron nitrides, borohydride (diborane), carboranes, oxides and oxyacids of nitrogen, phosphorous, sulphur and chlorine; interhalogen compounds, polyhalide ions, pseudohalogens, fluorocarbons and basic properties of halogens. Chemical reactivity of noble gases, preparation, structure and bonding of noble gas compounds III. Chemistry of d block elements: Transition metals including lanthanides, general characteristic properties, oxidation states, magnetic behaviour, colour. First row
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transition metals and general properties of their compounds (oxides, halides and sulphides); lanthanide contraction 7. Extraction of metals : Principles of extraction of metals as illustrated by sodium, magnesium, aluminium, iron, nickel, copper, silver and gold 8. Nuclear Chemistry: Nuclear reactions; mass defect and binding energy, nuclear fission and fusion. Nuclear reactors; radioisotopes and their applications 9. Coordination compounds : Nomenclature, isomerism and theories of coordination compounds and their role in nature and medicine 10. Pollution and its control: Air pollution, types of air pollutants; control of air and water pollution; radioactive pollution.
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