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Annexure ‘CD – 01’ Course Title: ORGANIC CHEMISTRY –II Course Code: CHEM204 L T S SW/ FW P TOTAL CREDIT UNITS 3 1 - - 2 5 Credit Units: 5 Course Objectives: The objective of this course is to develop student’s understanding about organic structures, arenes and concepts of aromaticity in the broadest sense and also focuses on their properties and reactions and chemical reactivity. Pre-requisites: Fundamental understanding and knowledge of structure, bonding and stereochemistry of organic molecules Course Contents/Syllabus: Course Title Module I Alkenes 20 Nomenclature of alkenes, methods of formation, mechanism of dehydration of alcohols and dehydrohalogenation of alkyl halides, regio-selectivity in alcohol dehydration the Saytzeff rule, Hoffmann elimination, relative stabilities of alkenes, physical properties and chemical reactions of alkenes Mechanisms involved in hydrogenation, electrophilic and free radical additions, Markovnikov’s rule, hydroboration-oxidation oxymercuration, reduction, Epoxidation, ozonolysis, hydration, hydroxylation and oxidation with KMnO4, polymerization of alkenes industrial applications of ethylene and propene Module II Cycloalkenes, Dienes and alkynes Weightage (%) Methods of formation, conformation and chemical reactions of cycloalkenes nomenclature and classification of dienes: isolated conjugated and cumulated dienes. Structure of allenes and butadiene, methods of formation, polymerization. Chemical reactions-1, 2 and 1, 4 additions, Diels- 20 Alder reaction. Alkynes-Nomenclature, structure and bonding. Methods of formation. Chemical reactions and acidity of alkynes. Mechanism of electrophilic and nucleophilic addition reactions, hydroboration-oxidation, metalammonia reductions and polymerization Module III Arenes and Aromaticity Nomenclature of benzene derivatives. The aryl group and side chain derivatives. Structure of benzene molecular formula and Kekule structure. Stability and carbon-carbon bond lengths of benzene, resonance structure and MO picture. Aromaticity - Huckel rule, aromatic ions. Aromatic electrophilic substitution-general mechanism, role of (σ and π complexes). Mechanism of nitration, halogenation. sulphonation. mercuration and friedel-crafts reaction Energy profile diagrams. Activating and deactivating substituents. orientation and ortho/para ratio. Side chain reactions of benzene derivatives. Methods of formation and chemical reactions of alkylbenzenes Module IV Alkyl Halides 15 Nomenclature and classes of alkyl halides, methods of formation, chemical reactions Mechanism of nucleophilic substitution, reaction of alkyl halides, SN2 and SN1 reactions, with energy profile diagrams. Polyhalogen compounds: chloroform, carbon tetrachloride Module V Aryl Halides 25 Methods of formation of aryl halides, nuclear and side chain reactions. The addition- elimination and the elimination-addition mechanisms of nucleophilic aromatic substitution reactions. Relative reactivities - alkyl versus allyl halides, vinyl versus aryl halides. Synthesis and uses of DDT and BHC, Freon. Student Learning Outcomes: On completion of the course the student will be able to: 1. Understand the structure of different organic molecules 2. Classify the various types of nucleophilic and electrophilic reactions involved 3. Apply the concepts to understand various compounds used in everyday life Pedagogy for Course Delivery: 20 The course pedagogy will include lectures, tutorial, practical on applications of the topics covered. Lab/ Practicals: List of Experiments Qualitative Analysis and identification of simple organic functional groups: Physical test, unsaturation, ignition test, element analysis, group test and melting point or boiling point for Carboxylic acids, Phenols, Alcohols, Aldehydes, Ketones, Esters,Amides, Amines, carbohydrates and Hydrocarbons. Steam Distillation: Naphthalene from its suspension in water; Separation of o- and p-nitrophenols Assessment/ Examination Scheme: Theory L/T (%) Lab/Practical/Studio (%) 80 End Term Examination 20 100 Continuous Assessment/Internal Assessment End Term Examination Components (Drop down) CT S/V/Q HA AT Weightage (%) 80 10 8 7 5 70 End Term Examination Lab/ Practical/ Studio Assessment: Continuous Assessment/Internal Assessment Components (Drop down) Weightage (%) 20 LR P V/Q AT 5 10 10 5 EX Viva 35 35 Text & References: (For Theory) Organic Chemistry, Morrison and Boyd, Prentice Hall. Organic Chemistry, L.G. Wade Jr. Prentice Hall Fundamentals of Organic Chemistry Solomons and Fryle, John Wilev. Organic Chemistry, Vol. I, II and III S.M. Mukherji, S.P. Singh and R.P. Kapoor Organic Chemistry: Morrison and Boyd, Prentice Hall of India Pvt. Ltd. New Delhi Organic Chemistry, ArunBahl&B.S.Bahl, S.Chand& Co. New Delhi Standard Methods of Chemical Analysis, W.W. Scott, The Technical Press. Experimental Organic Chemistry, Vol.Iand II, P.R. Singh, D.S> Gupta and K.S. Bajpai, Tata McGraw Hill. Laboratory Manual in Organic Chemistry, R.K. Bansal, Wiley Eastern. (For Lab) Organic Chemistry, ArunBahl&B.S.Bahl, S.Chand& Co. New Delhi Standard Methods of Chemical Analysis, W.W. Scott, The Technical Press. Experimental Organic Chemistry, Vol.Iand II, P.R. Singh, D.S> Gupta and K.S. Bajpai, Tata McGraw Hill. Laboratory Manual in Organic Chemistry, R.K. Bansal, Wiley Eastern.