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Chemistry-III (O.U)

Chemistry-III (O.U)

Published by SIA Publishers and Distributors (P) Ltd.

Course Code : B.Sc II-III (O.U)
University : Osmania University
Regulation : 2019
Categories : Arts and Science
Format : ico_bookPDF (DRM Protected)
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Unit - I

1. Inorganic Chemistry

Chapter-1: Chemistry of f-block Elements:Chemistry of Lanthanides: Position in periodic table, Electronic Structure, Oxidation State, Ionic and Atomic Radii - Lanthanide Contraction - cause and Consequences, Anomalous behavior of Post Lanthanides complexation-Type of Donor Ligands Preferred. Magnetic Properties - Paramagnetism, Colour and Spectra, f-f transitions- Occurrence and Separation Ion Exchange Method, Solvent Extraction. Chemistry of actinides - General Features – Electronic Configuration, Oxidation State, Actinide Contraction Colour and Complex Formation Comparison with Lanthanides.

Chapter-2: Symmetry of Molecules Symmetry Operations and Symmetry Elements in Molecules, Definition of Axis of Symmetry Types of Cn, Plane of Symmetry (sh, sv, sd) Center of Symmetry and Improper Rotational Axis of Symmetry (Sn). Explanation with Examples.

Chapter-3: Non-Aqueous Solvents

Classification and Characteristics of a Solvent Reactions in Liquid Ammonia - Physical Properties, Autoionisation,

Examples of Ammono Acids andA mmono Bases Reactions in Liquid Ammonia – Precipitation, Neutralization, Solvolysis, Solvation – Solutions of Metals in Ammonia, Complex Formation, Redox Reactions. Reactions in HF – Autoionisation, Reactions in HF – Precipitation, Acid – Base Reactions, Protonation.

Unit - II

2. Organic Chemistry

Chapter-1: Alcohols

Preaparation: 1°, 2° and 3° Alchols using Griganard Reagent, Ester Hydrolysis, Reduction of Carbonyl Compounds, Carboxylic Acids and Esters Physical Properties: H-bonding, Boiling Point and Solubility Reactions with Sodium, HX/ZnCl2 (Lucas Reagent), Esterification, Oxidation with PCC, Alk. KMnO4, Acidic Dichromates, Conc. HNO3 and Oppenauer Oxidation.

Diols: Pinacol – Pinacolone Rearrangement

Phenols: Preapartion: (i) From Diazonium Salts of Anilines, (ii) From Benzene Sulphonic Acids and (iii) Cumene Hydroperoxide Method.

Properties: Acidic Nature, Formation of Phenoxide and Reaction with R-X, Electrophilic Substitution Nitration, Halogenation and Sulphonation Riemer Tiemann Reaction, Gattermann -Koch Raeaction, Azocoupling Reaction, Schotton-Boumann Raction, Houben-Hoesch Condensation, FeCl3 Reaction.

Chapter-2: Ethers and Epoxides Nomenclature, Preparation by (a) Williamson’s Synthesis (b) From Alkenes by the Action of Conc. H2SO4 Physical Properties – Absence of Hydrogen Bonding, Insoluble in Water, Low Boiling Point. Chemical

Properties – Inert Nature, Action of Conc. H2SO4 and HI.

Chapter-3 Carbonyl Compounds

Nomenclature of Aliphatic and Aromatic Carbonyl Compounds and Isomerism. Preparation of Aldehydes

and Ketones from Acid Chloride, 1, 3-dithianes, Nitriles and from Carboxylic Acids. Special Methods of Preparing Aromatic Aldehydes and ketones by (a) Oxidation of Arenes (b) Hydrolysis of Benzal Halides Physical Properties – Absence of Hydrogen Bonding. Keto -enol Tautomerism Polarisability of Carbonyl Groups, Reactivity of the Carbonyl Groups in Aldehydes and Ketones. Chemical Reactivity: Addition of [a] NaHSO3, (b) HCN (c) RMgX (d) NH3 (e) RNH2 (f) NH2OH

(g) PhNHNH2 (h) 2, 4DNP (Schiff Bases). Addition of H2O to form Hydrate (Unstable), Comparison with Chloral Hydrate (Stable), Addition of Alcohols – Hemi Acetal and Acetal Formation. Base Catalysed Reaction with Mechanism - Aldol, Cannizaro Reaction, Perkin Reaction, Benzoin condensation, Haloform Reaction, Knoevengeal Condensation Oxidation Reaction – KMnO4 Oxidation and Auto Oxidation, Reduction – Catalytic Hydrogenation, Clemmenson’s Reduction, Wolf-kishner Reduction, Meerein Pondoff Verly Reduction, Reduction with LAH, NaBH4. Analysis – 2, 4 DNP Test, Tollen’s Test, Fehlings Test, Schiff’s Test, Haloform Test (With Equations).

Unit - III

3. Physical Chemistry

Chapter-1: Phase Rule Statement and Meaning of the Terms – Phase, Component and Degrees of Freedom, Gibb’s Phase Rule, Phase Equilibria of One Component System – Water System. Phase Equilibria of Two-Component System – Solid-

Liquid Equilibria, Simple Eutectic – Pb. Ag System, Desilverisation of Lead. Solid Solutions – Compound with Congruent Melting Point – Mg-Zn System and Incongruent Melting Point – NaCl-H2O System.

Chapter-2: Colloids and Surface Chemistry Definition of Colloids, Classification of Colloids, Solids in Liquids (sols): Preparations and Properties – (Including Kinetic, Optica

Note : Chemistry-III (O.U), B.Sc II-III (O.U)

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