General methods of preparation and reactions of compounds superscripted with asterisk (*) to be explained
To emphasize on definition, types, classification, principles/mechanisms, applications, examples and differences
Unit I (10 Hours)
- Benzene and its derivatives
- Analytical, synthetic and other evidences in the derivation of structure of benzene, Orbital picture, resonance in benzene, aromatic characters, Huckel’s rule
- Reactions of benzene - nitration, sulphonation, halogenationreactivity, Friedelcrafts alkylation- reac- tivity, limitations, Friedelcrafts acylation.
- Substituents, effect of substituents on reactivity and orientation of mono substituted benzene com- pounds towards electrophilic substitution reaction
- Structure and uses of DDT, Saccharin, BHC and Chloramine
Unit II (10 Hours)
- Phenols* - Acidity of phenols, effect of substituents on acidity, qualitative tests, Structure and uses of phenol, cresols, resorcinol, naphthols
- Aromatic Amines* - Basicity of amines, effect of substituents on basicity, and synthetic uses of aryl diazonium salts
- Aromatic Acids* – Acidity, effect of substituents on acidity and important reactions of benzoic acid.
Unit III (10 Hours)
- Fatty acids – reactions.
- Hydrolysis, Hydrogenation, Saponification and Rancidity of oils, Drying oils.
- Analytical constants – Acid value, Saponification value, Ester value, Iodine value, Acetyl value, Re- ichert Meissl (RM) value – significance and principle involved in their determination.
Unit IV (10 Hours)
- Polynuclear hydrocarbons:
- Synthesis, reactions
- Structure and medicinal uses of Naphthalene, Phenanthrene, Anthracene, Diphenylmethane, Triph- enylmethane and their derivatives
Unit V (07 Hours)
- Stabilities – Baeyer’s strain theory, limitation of Baeyer’s strain theory, Coulson and Moffitt’s modifi- cation, Sachse Mohr’s theory (Theory of strainless rings), reactions of cyclopropane and cyclobutane only