d-BLOCK ELEMENTS, COORDINATION CHEMISTRY, LANTHANIDES & ACTINIDES TH

90 Pages·2015·1 MB·English

SEMESTER - V

PAPER – 11 Marks: 150

INORGANIC: d-BLOCK ELEMENTS, COORDINATION CHEMISTRY,
LANTHANIDES & ACTINIDES

THEORY
Unit I: Transition elements

General group trends with special reference to electronic configuration, colour, variable
valency, magnetic and catalytic properties, and ability to form complexes. Stability of various
oxidation states and e.m.f. (Latimer diagrams). Comparison of 3d elements with 4d & 5d
elements.
Various oxidation states, their oxidizing and reducing nature and stability w.r.t. Ti, V, Cr, Mn,
Fe and Co. Structure and chemical reactivity of following compounds: chromate, dichromate
and chromium trioxide, KMnO peroxo compounds of chromium,V O , K [Fe(CN) ],
4, 2 5 4 6
K [Fe(CN) ], Na [Co(NO ) ], Na [Fe(CN) NO]
3 6 3 3 6 3 5

Unit II: Coordination chemistry

IUPAC nomenclature of coordination compounds, isomerism in coordination compounds.
Stereochemistry of complexes with 4 and 6 coordination numbers. Werner’s theory, valence
bond theory (inner and outer orbital complexes), electroneutrality principle and back bonding.
Crystal field theory, measurement of 10 Dq (∆o), CFSE in weak and strong fields, concept of
pairing energies and lattice energy, color and magnetic properties , factors affecting the
magnitude of 10 Dq (∆o, ∆t). Octahedral vs. Tetrahedral coordination, tetragonal distortions
from octahedral geometry Jahn-Teller theorem, square planar geometry. Elementary idea of
Ligand field and MO Theory.

Unit III: Lanthanides and actinides

Electronic configuration, oxidation states, colour, spectral and magnetic properties, lanthanide
contraction. Separation of lanthanoides (ion-exchange method only).

Recommended Texts:
1. Purecell, K.F. & Kotz, J.C. Inorganic Chemistry, W.B. Saunders Co. 1977.
2. Greenwood, N.N. & Earnshaw A. Chemistry of the Elements, Butterworth-
Heinemann,1997.
3. Lee, J.D. Concise Inorganic Chemistry, ELBS, 1991.
4. Gary L. Miessler, Donald A. Tarr, Inorganic Chemistry, 4/E, Pearson, 2010.
5. Huheey, J.E. Inorganic Chemistry, Prentice Hall 1993
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PRACTICAL

INORGANIC: GRAVIMETRIC ANALYSIS AND INORGANIC PREPARATION

Gravimetric Analysis:
i. Estimation of nickel (II) using Dimethylglyoxime (DMG).
ii. Estimation of copper as CuSCN
iii. Estimation of iron as Fe O by precipitating iron as Fe(OH) .
2 3 3
Inorganic Preparations:
i. Tetraamminecopper (II) sulphate, [Cu(NH ) ]SO .H O
3 4 4 2
ii. Cis and trans K[Cr(C O ) . (H O) ] Potassium dioxalatodiaquachromate (III)
2 4 2 2 2
iii. Tetraamminecarbonatocobalt (III) ion
iv. Potassium tris(oxalate)ferrate(III)
Spectophotometric estimation:
i. To draw calibration curve (absorbance at ƛ vs. Concentration) for various
max
concentrations of a given coloured compound and to estimate the concentration of
the same in a given solution.
ii. Spectrophotometric estimation of Ferrous ion by using 1,10-phenanthroline
iii. Determination of composition of Fe (III)-salicyclic acid complex by Job’s method.

Recommended Text:
1. Vogel, A.I., Fundamentals of Quantitative Analysis, 5th Ed., Addison Wesley longman.,
1989.

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PAPER – 12 Marks: 150

ORGANIC: CARBOHYDRATES, SPECTROSCOPY AND DYES

THEORY

Unit I: Carbohydrates

Occurrence, classification, reducing and non reducing sugars, reactions and their biological
importance.
Monosaccharides: Structure elucidation, relative and absolute configuration of glucose and
fructose, co-relation of configuration, characteristic reactions of glucose and fructose, epimers
and anomers, mutarotation, determination of ring size of glucose and fructose, Haworth
projections and conformational structures and conformational analysis (elementary idea,
anomeric effect), configuration on C-1 in glucose, interconversions of aldoses and ketoses,
Kiliani-Fischer synthesis, Ruff’s degradation and Wohl’s method.
Disaccharides: Nomenclature, applications and structural distinction of maltose, lactose and
sucrose; Invert sugar.
Polysaccharides: Elementary treatment of starch, cellulose and glycogen (comparative study
of their structures) and their application.

Unit II: Spectroscopy

Introduction to spectroscopy: Electromagnetic radiation, fundamental definitions,
electromagnetic spectrum, introduction to concepts of absorption and emission spectroscopy,
Beer-Lambert law.
UV spectroscopy: Types of electronic transitions, UV spectrum, λ , ϵ , chromophores,
max max
auxochromes, bathochromic shift, hypsochromic shift (definitions and elementary examples)
and solvent effect. Characteristic UV transitions in common functional groups.
General applications of UV spectroscopy including distinction between cis-trans isomers.
Woodward rules for calculating λ in following systems:
max
 Conjugated dienes: alicyclic, homoannular, heteroannular.
 α,β-Unsaturated aldehydes and ketones.
 Extended conjugated systems: dienes, aldehydes and ketones.
IR Spectroscopy: Fundamental and non-fundamental molecular vibrations, IR spectrum,
fingerprint and group frequency regions and their significance, Hooke’s law and vibrational
frequency. Factors affecting vibrational frequency in organic compounds.
Characterization of functional groups: alkanes, alkenes, alkynes (only alicyclic systems),
aldehydes, ketones, carboxylic acids and their derivatives, hydroxy compounds and amines.
Study of hydrogen bonding.
PMR spectroscopy: Basic principles of NMR spectroscopy, PMR scale, chemical shifts
(concept of shielding and deshielding), factors influencing chemical shifts, simple spin-spin
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couplings, coupling constant, chemical shift equivalence, anisotropic effects in alkenes,
alkynes, aldehydes and aromatics. Interpretation of PMR spectra of simple compounds.

Application of UV, IR and PMR in solving structures of simple organic molecules.

Unit III: Dyes

Colour and constitution of dyes: Witt’s theory, quinonoid theory, valence bond theory (VBT)
and molecular orbital theory (MOT).
Classification of dyes with examples on the basis of mode of application: Acidic, basic, direct,
mordant, vat developed and dispersed dyes.
Classification of dyes with examples on the basis of structure: Azo dyes, triphenyl methane
dyes, phthalein dyes, xanthene dyes and natural dyes.
Synthesis and uses of following dyes:
Methyl orange, malachite green, phenolphthalein.
Structure elucidation and synthesis of alizarin and indigo.

Recommended Texts:
1. Morrison, Robert Thornton & Boyd, Robert Neilson Organic Chemistry, Dorling
Kindersley (India) Pvt. Ltd. (Pearson Education), Sixth Edition, 2003.
2. Finar, I. L. Organic Chemistry (Volume 1), Dorling Kindersley (India) Pvt. Ltd.
(Pearson Education), Sixth Edition, 2003.
3. Finar, I. L. Organic Chemistry (Volume 2: Stereochemistry and the Chemistry of
Natural Products), Dorling Kindersley (India) Pvt. Ltd. (Pearson Education), Fifth
Edition, 1975.
4. Graham Solomons, T.W., Craig B. Fryhle Organic Chemistry, Ninth edition John
Wiley & Sons, Inc. 2008.
5. Kemp, W. Organic Spectroscopy, Palgrave Macmillan Education Ltd, Second Edition,
1987.
PRACTICAL

ORGANIC: QUALITATIVE ANALYSIS, PREPARATION AND USE OF IR AND NMR

1. Analysis of Carbohydrate: aldoses and ketoses, reducing and non-reducing sugars.
2. Qualitative analysis of unknown organic compounds containing monofunctional groups
(carbohydrates, aryl halides, aromatic hydrocarbons, nitro compounds, amines and
amides) and simple bifunctional groups, for e.g. salicylic acid, cinnamic acid,
nitrophenols etc.
3. Identification of simple organic compounds by IR spectroscopy and PMR spectroscopy
(Spectra to be provided).
4. Preparation of methyl orange.

Recommended Texts:
1. Mann, F.G. & Saunders, B.C. Practical Organic Chemistry, Pearson Education 2009.
2. Furniss, B.S.; Hannaford, A.J.; Smith, P.W.G.; Tatchell, A.R. Practical Organic
Chemistry, 5th Ed., Pearson 2012.
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3. Ahluwalia, V.K. & Aggarwal, R. Comprehensive Practical Organic Chemistry:
Preparation and Quantitative Analysis, University Press 2000.
4. Ahluwalia, V.K. & Dhingra, S. Comprehensive Practical Organic Chemistry:
Qualitative Analysis, University Press 2000.

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PAPER-13 Marks: 150

PHYSICAL: PHASE EQUILIBRIA & BINARY SOLUTIONS

THEORY
Unit I: Phase equilibria

Concept of phases, components and degrees of freedom, derivation of Gibbs Phase Rule for
nonreactive and reactive systems; Clausius-Clapeyron equation and its applications to solid-
liquid, liquid-vapour and solid-vapour equilibria, phase diagram for one component systems
(water, sulphur, carbon dioxide), with applications.
Phase diagrams for two component systems involving eutectic, congruent and incongruent
melting points and solid solutions.
Three component system: water-chloroform-acetic acid system only.

Unit: II: Binary Solutions

Gibbs-Duhem-Margules equation, its derivation and applications to fractional distillation of
binary miscible liquids (ideal and nonideal), azeotropes, lever rule, partial miscibility of
liquids, CST, immiscible pairs, steam distillation. Nernst distribution law: its derivation and
applications.

Unit III: Solid state:

Nature of the solid state, law of constancy of interfacial angles, law of rational indices, Miller
indices, elementary ideas of symmetry, symmetry elements and symmetry operations, seven
crystal systems and fourteen Bravais lattices; X-ray diffraction, Bragg’s law, a simple account
of rotating crystal method and powder pattern method. Analysis of powder diffraction patterns
of NaCl, CsCl and KCl. Glasses and liquid crystals.

Recommended texts:
1. Atkins, P. W. & Paula, J. de Atkin’s Physical Chemistry 8th Ed., Oxford University
Press 2006.
2. Ball, D. W. Physical Chemistry Cengage India 2012.
3. Castellan, G. W. Physical Chemistry 4th Ed., Narosa 2004.
4. Mortimer, R. G. Physical Chemistry 3rd Ed., Elsevier: NOIDA, UP 2009.
5. Levine, I. N. Physical Chemistry 6th Ed., Tata McGraw-Hill 2011.
6. Metz, C. R. Physical Chemistry 2nd Ed., Tata McGraw-Hill 2009.

PRACTICAL

PHYSICAL: DETERMINATION OF CRITICAL SOLUTION AND PHASE EQUILIBRIA

I. Determination of critical solution temperature and composition of the phenol-water
system and to study the effect of impurities on it.
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II. Phase equilibria: Construction of the phase diagram using cooling curves or ignition
tube method:
a. simple eutectic and
b. congruently melting systems.
III. Indexing of a given powder diffraction pattern of a cubic crystalline system.
IV. Distribution of acetic/ benzoic acid between water and cyclohexane.

Recommended Texts:
1. Khosla, B. D.; Garg, V. C. & Gulati, A. Senior Practical Physical Chemistry, R. Chand
& Co.: New Delhi 2011.
2. Garland, C. W.; Nibler, J. W. & Shoemaker, D. P. Experiments in Physical Chemistry
8th Ed.; McGraw-Hill: New York 2003.
3. Halpern, A. M. & McBane, G. C. Experimental Physical Chemistry 3rd Ed.; W.H.
Freeman & Co.: New York 2003.
4. Sindhu,P.S. Practicals in Physical Chemistry 1st Ed. Macmillan: India 2006.

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SEMESTER-V

PAPER-14 Marks: 150

THEORY

SECTION A-INORGANIC: REACTION RATES & MECHANISM

Unit 1: Reaction Kinetics and Mechanism:

Introduction to Inorganic Reaction Mechanism. Substitution reactions in square planar
complexes, Trans- effect, theories of trans effect, Mechanism of nucleophilic substitution in
square planar complexes, Thermodynamic and Kinetic stability, Kinetics of octahedral
substitution, Ligand field effects and reaction rates, Mechanism of substitution in octahedral
complexes.

Unit II: Introduction to catalysis of chemical reactions by organometallic compounds

Discuss the processes that commonly feature in the mechanism of following reactions:
1. Alkene hydrogenation (Wilkinsons Catalyst)
2. Hydroformylation (Co salts)
3. Wacker Process
4. Synthetic gasoline (Fischer Tropsch reaction)
5. Synthesis gas by metal carbonyl complexes

Reference text:
1. Huheey, J. E.; Keiter, E. A. & Keiter, R.L. Inorganic Chemistry, Principles of Structure
and Reactivity 4th Ed., Harper Collins 1993, Pearson, 2006.
2. Douglas, B. E.; McDaniel, D.H. & Alexander, J.J. Concepts and Models in Inorganic
Chemistry 3rd Ed., John Wiley and Sons, NY, 1994.
3. Basolo, F. & Person, R. Mechanisms of Inorganic Reactions: Study of Metal Complexes
in Solution 2nd Ed., John Wiley & Sons Inc; NY.
4. Purecell, K.F. & Kotz, J.C., Inorganic Chemistry, W.B. Saunders Co. 1977
5. Miessler, G. L. & Donald, A. Tarr, Inorganic Chemistry 4th Ed., Pearson, 2010.
6. Cotton, F.A. & Wilkinson, G. Advanced Inorganic Chemistry 4th Ed., Wiley India.
7. Collman, James P. et al. Principles and Applications of Organotransition Metal
Chemistry. Mill Valley, CA: University Science Books, 1987.
8. Crabtree, Robert H. The Organometallic Chemistry of the Transition Metals. j New
York, NY: John Wiley, 2000.
9. Spessard, Gary O., &Gary L. Miessler. Organometallic Chemistry. Upper Saddle
River, NJ: Prentice-Hall, 1996.

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SECTION B-ORGANIC: PHARMACEUTICALS, NATURAL PRODUCTS AND
POLYMERS

Unit I: Pharmaceutical Compounds

Structure activity relationship.Classification, structure, mode of action and therapeutic uses of
pharmaceutical compounds belonging to the following classes:
1. Analgesics and antipyretics:Paracetamol (synthesis), Ibuprofen (traditional and green
synthesis).
2. Antibacterial agents: Sulphonamides. sulphadiazine (synthesis).
3. Antimalarials: Chloroquine (synthesis).
4. Antibiotics: Chloramphenicol (synthesis and structure elucidation).
Medicinal values of curcumin ,azadirachtin and vitamin C and antacid (ranitidine)

Unit II: Natural Products: Terpenoids and Alkaloids

Terpenoids: Natural occurrence, classification and biosynthesis of terpenoids (with suitable
examples including carotenoids).
Structure and specific uses of citral, limonene and α- terpineol.

Alkaloids: Natural occurrence, general methods of Isolation and structural features. (Ziesel’s
method, Herzig Meyer’s method, Hofmann’s exhaustive methylation and Emde’s
modification).
Medicinal importance of nicotine, quinine, morphine and reserpine.

Unit III: Polymers

Polymers: Introduction and classifications.
Polymerisation reactions: Addition, condensation and ring opening metathesis.Polymerisation:
Polymerisation: Mechanism of cationic, anionic and free radical addition polymerization,
Ziegler-Natta polymerisation of alkenes, stereochemistry of polymers, role of stabilisers,
plasticisers, antioxidants, telomers and inhibitors in polymer synthesis.
Preparation from appropriate monomers and applications of following polymers: Polythene,
polyvinyl chloride (PVC), polymethylmethacrylate, polyacrylonitrile, polyamides, polyesters,
buna-S, neoprene, bakellite and polyurethanes polymers.
Process of vulcanization and its importance.
Introduction to biodegradable, conducting sol-gel and liquid crystal polymers with their
importance in day to day life.

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Recommended Texts:
1. Morrison, Robert Thornton & Boyd, Robert Neilson Organic Chemistry, Dorling
Kindersley (India) Pvt. Ltd. (Pearson Education), Sixth Edition, 2003.
2. Finar, I. L. Organic Chemistry (Volume 1), Dorling Kindersley (India) Pvt. Ltd.
(Pearson Education), Sixth Edition, 2003.
3. Finar, I. L. Organic Chemistry (Volume 2: Stereochemistry and the Chemistry of
Natural Products), Dorling Kindersley (India) Pvt. Ltd. (Pearson Education) ,Fifth
Edition, 1975.
4. Graham Solomons, T.W., Craig B. Fryhle Organic Chemistry, Ninth edition John
Wiley & Sons, Inc. 2008.
5. Kalsi, P. S. Textbook of Organic Chemistry 1st Ed., New Age International (P) Ltd.
Pub. Delete this text
6. Billmeyer, F. W. Textbook of Polymer Science, John Wiley & Sons, Inc.
7. Gowariker, V. R.; Viswanathan, N. V. & Sreedhar, J. Polymer Science, New age
International,First Edition, 1986
8. Clayden, J.; Greeves, N.; Warren, S.; Wothers, P.; Organic Chemistry, Oxford
University Press , First Edition, 2001.
9. Singh, J.; Ali, S.M. & Singh, J. Natural Product Chemistry, Pragati Parakashan 2010.

PRACTICAL

SECTION A-INORGANIC: PREPARATION OF SELECTED INORGANIC
COMPOUNDS AND USE SPECTROSCOPIC TECHNIQUES

i. Measurement of 10 Dq by spectrophotometric method
ii. Verification of spectrochemical series.
iii. Controlled synthesis of two copper oxalate hydrate complexes: kinetic vs
thermodynamic factors.
iv. Preparation of acetylacetanato complexes of Cu2+/Fe3+. Find the λ of the complex.
max
v. Synthesis of ammine complexes of Ni(II) and its ligand exchange reactions (e.g.
bidentate ligands like acetylacetone, DMG, glycine) by substitution method.

Recommended Texts:
1. Marr. G & Rockett, B.W. Practical Inorganic Chemistry, John Wiley & Sons, 1972.

SECTION-B ORGANIC: EXTRACTION OF NATURAL PRODUCTS, SYNTHESIS
OF SELECTED DRUGS AND POLYMERS

1. Extraction of caffeine from tea leaves.
2. Preparation of sodium polyacrylate
3. Preparation of urea formaldehyde.
4. Extraction of active pharmaceutical ingredient from commercial tablet, acetylsalicylic
acid from aspirin, its synthesis in laboratory and comparison of the two samples by
melting point and TLC.
5. Isolation of ibuprofen and p-acetylaminophenol by solvent extraction from combiflam
and their purity analysis by melting point and TLC.
6. Estimation of Vitamin C by titrating it against a solution of 2, 6-dichlorophenol
indophenol dye.
7. Quantitative estimation of glucose using Fehling’s solution method.
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