ORGANIC CHEMISTRY IV: SPECTROSCOPY AND SELECTED TOPICS IN CHEMISTRY

Paper Code: 
C-CHY 612
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

Course Objective(s):
This course will enable the students to-

develop an insight on basic principles of spectroscopy along with the carbohydrate, dye and polymer

chemistry.

 

Course Outcomes (COs):

Course Outcomes

Teaching Learning

Strategies

Assessment

Strategies

On completion of this course, the students will be able to-

CO102: explain the basic principles of different types of spectroscopy and their applications to elucidate the structure of simple organic molecules.

CO103: identify and analyze different molecules based on selection rules and fundamental theory of spectroscopy.

CO104: explain the basic principles of different types of spectroscopy and their applications to elucidate the structure of simple organic molecules.

CO105: classify different dyes on the basis of their applications, synthesize and correlate their structure and reactivity.

CO106: describe the structural aspects and applications of important in organic polymers, classify the types of organic polymers and compare the preparation, properties and applications of different organic polymers.
  • Interactive lectures
  • Digital learning
  • Tutorials
  • Problem solving sessions
  • Oral and written examinations
  • Assignments
  • Quiz

12.00
Unit I: 
Organic Spectroscopy I

General principles introduction to absorption and emission spectroscopy.
UV spectroscopy: Types of electronic transitions, λmax, chromophores and auxochromes, bathochromic and hypsochromic shifts, intensity of absorption, application of Woodward rules for calculation of λmax for the following systems: α,β unsaturated aldehydes, ketones, carboxylic acids and esters,conjugated dienes: Alicyclic, homoannular and heteroannular, extended conjugated systems (aldehydes, ketones and dienes), distinction between cis and trans isomers.

12.00
Unit II: 
Organic Spectroscopy II

IR spectroscopy: Fundamental and non-fundamental molecular vibrations, IR absorption positions of O, N and S containing functional groups, effect of H-bonding, conjugation, resonance and ring size on IR absorptions, fingerprint region and its significance, application in functional group analysis.

NMR spectroscopy: Basic principles of proton magnetic resonance, chemical shift and factors influencing it, spin – spin coupling and coupling constant, anisotropic effects in alkene, alkyne, aldehydes and aromatics, interpretation of NMR spectra of simple compounds.

Applications of IR, UV and NMR for identification of simple organic molecules.

12.00
Unit III: 
Carbohydrates

Occurrence, classification and their biological importance.

Monosaccharides: Constitution and absolute configuration of glucose and fructose, epimers and anomers, mutarotation, determination of ring size of glucose and fructose, Haworth projections and conformational structures, interconversions of aldoses and ketoses, Killiani-Fischer synthesis and Ruff degradation.

Disaccharides: Structure elucidation of maltose, lactose and sucrose.

Polysaccharides: Elementary treatment of starch, cellulose and glycogen.

12.00
Unit IV: 
Dyes

Classification, colour and constitution, mordant and vat dyes, chemistry of dyeing, synthesis and applications of azo dyes: Methyl orange and congored (mechanism of diazo coupling), triphenyl methane dyes: Malachite green, rosaniline and crystal violet, phthalein dyes: Phenolphthalein and fluorescein, natural dyes: Structure elucidation and synthesis of alizarin and indigotin, edible dyes with examples.

12.00
Unit V: 
Polymers

Introduction and classification including di-block, tri-block and amphiphilic polymers, number average molecular weight, weight average molecular weight, degree of polymerization, polydispersity index.

Polymerisation reactions: Addition and condensation, mechanism of cationic, anionic and free radical addition polymerization, metallocene-based Ziegler-Natta polymerisation of alkenes.

Preparation and applications of plastics: thermosetting (phenol-formaldehyde, polyurethanes) and thermosoftening (PVC, polythene).

Fabrics: Natural and synthetic (acrylic, polyamido, polyester), rubbers: Natural and synthetic, buna-S, chloroprene and neoprene, vulcanization, polymer additives.

Introduction to liquid crystal polymers, biodegradable and conducting polymers with examples.

Essential Readings: 
  • Textbook of Organic Chemistry, First Edition.; Kalsi, P. S., New Age International (P) Ltd, New Delhi, 2000
  • Organic Chemistry, Sixth Edition; R. T. Morrison, R. N. Boyd; Pearson Education India, New Delhi, 2017.
  • Textbook of Polymer Science, Third Edition; Billmeyer, F. W., John Wiley and SonsInc, New Delhi, 2007.
  • Organic Chemistry, Vol.II, Sixth Edition; I.L. Finar; Pearson Education, New Delhi, 2002.

 

References: 

SUGGESTED READINGS

  • Organic Chemistry; Graham Solomons, T.W, John Wiley and SonsInc, 2017.
  • Fundamentals of Organic Chemistry, Seventh Edition; McMurry, J.E.,  Cengage Learning India Edition, 2013.
  • Organic Chemistry, Second Edition; J. Clayden, N. Greeves, S. Warren; Oxford University Press, USA, 2014.
  • Natural Product Chemistry; Singh, J., Ali, S.M. and, Singh, J., Pragati Prakashan, 2010.
  • Organic Spectroscopy, Second Edition; Kemp, W. MacMillan, 2019
  • Introduction to Spectroscopy, Fifth Edition; Pavia, D. L. et al., Cengage Learning India Ed.,2015.
  • Polymer Science ;Gowariker, V. R.; Viswanathan, N. V. & Sreedhar, J., New Age International (P)Ltd. Pub., New Delhi, 2019.

e-RESOURCES

 

Academic Year: 
2023-2024
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