calicut university pg cap trial allotment 2017

Scheme and Syllabus appended.Sd DEPUTY REGISTRAR (G A-IV)For REGISTRARToThe Principals of affiliated Colleges offering MSc programme in Polymer ChemistryCopy to:PS to V.

Chemistry of non-aqueous solvents- liquid NH 3, SO2, H2SO4 and HF.Heterogeneous acid- base reactions- surface acidity, solid- and molten acids in industrialprocesses.MODULE II (8 h)Synthesis, structure, reactions and bonding in boron hydrides, carboranes, metalloboranesand borazines.

Mc Graw Hill, 1960.MODULE IV Nuclear Chemistry (10 h)Radioactive decay and equilibrium- nuclear reactions- Q value, types of reactions- chemicaleffects of nuclear transformation, - recoil- effects of radiation on materials- fission andfusion, fusion products and fusion yields- Radioactive techniques, tracer techniques- neutronactivation analysis- counting techniques such as G.

M.-, ionization- and proportional counter.References1.

Delocalized electrons and Resonance, Resonance hybrid andresonance energy.

Criteria for Aromaticity and Antiaromaticity, MO description ofAromaticity and Antiaromaticity.

Homoaromaticity, Mobius twist and Aromaticity.Aromaticity of Annuelens and heteroannulenes, Fullerines, and fused ring systems.

Stabilityof benzylic cations and radicals, Effect of delocalized electrons on pKa.Hydrogen Bonding:Inter- and intramolecular hydrogen bonding.

Range of the energy of hydrogen bonding.Volatility, acidity, basicity and stability of hydrates of carbonyl compounds.

Stabilization ofhydrates of glyoxal and chloral, and ninhydrin.

Comparison of boiling points of ethanol anddimethyl ether (two isomeric compounds).

High acid strength of maleic acidcompared to fumaric acid.MODULE II (10 h)Basic Concepts in the Study of Organic Reaction MechanismsApplication of Experimental criteria to mechanistic studies, Thermodynamic and kineticdata, Curtius- Hammet principles, Kinetic versus thermodynamic control.

Isotope effect(labeling experiments), stereochemical correlations.Structure and reactivity, Transition state theory, Potential energy vs Reaction co-ordinatecurve, Substituent effects (inductive, mesomeric, inductomeric, electomeric and field effects)on reactivity.

Qualitative study of substitution effects changing with mechanism in SN1 SN2reactions.

Semiquantitative study of substituent effects on the acidity of carboxylic acids.Quantitative correlation of substituent effects on reactivity.

Sequence rule R and S notations in cyclic and acyclic compounds.Optical isomerism of compounds containing one or more asymmetric carbon atoms,Enantiotopic, Homotopic, Diastereotopic hydrogen atoms, Prochiral centre.Optical isomerism in Biphenyls: Structure of biphenyls in solid, liquid and vapour states.Structure of substituted biphenyls.

Number of substituents and their size in relation to thestability of optical isomers.

R and S notation.

Atropisomers. Restricted rotation in biphenyls Molecular overcrowding.

Chirality due to folding of helical structures.Conditions for optical activity in allenes and spiro compounds- R and S notation.Optical isomerism of nitrogen and sulphur compounds- naming- stereochemistry.

Internal factors affecting the conformation dipolarinteraction, bond opposition strain, bond angle strain, intramolecular hydrogen bonding.Sawhorse and Newman projections.

Eclipsed, gauche and staggered conformations.Conformations of acyclic compounds Ethane, n-butane, ethylene dihalide, glycols,chlorohydrins, meso and dl-tartaric acids, acetaldehyde and acetone.Conformation of cyclohexane, conformations of mono- and di- substituted cyclohexanes,conformation of decalins, and 2-halocyclohexanones.

Anchoring group.Effect of conformation on reactivity Debromination of dl and meso-2,3-dibromobutanewith KI, dehydrogenation of stilbene dihalides (dl and meso) and erythro- and threo-1bromo-1,2-diphenylpropane.Effect of conformation on the course and rate of reactions SN1 and SN2 reactions of axialand equatorial substituents.

E1 and E2 eliminations of(i)4-t-Butylcyclohexyl tosylates (cis and trans)(ii)2-Phenylcyclohexanols(iii)Menthyl and neomenthyl chlorides, and benzene hexachlorides.6 Esterification of axial and equatorial alcohols and acids- their hydrolysis.ORD and CD.

Plane and single CE curves- uses.

Axial haloketone rule and its application.Octant rule- Determination of conformation and configuration of 3-MethylcyclohexanoneORD curves of cis- and trans- decalones.References1.Nasipuri, Stereochemistry of Organic Compounds, 2nd Edn., New Age International.2.Eliel, Allinger, Anggal, Morrison, Conformational analysis, Wiley International.3.I.

L. Finar, Organic Chemistry, Vol.

II, 5th Edn., ELBS, 1975.MODULE V Reactions of Carbon-Heteromultiple Bonds (6 h)Addition to carbon-oxygen multiple bond: Addition of water, alcohols, amines andhydrazine.

Crams rule.Hydrolysis, alcoholysis and reduction of nitriles.

Calicut University Pg Cap Trial Allotment 2017