Gauhati University Question Papers for Chemistry 6th Semester
Gauhati University Question Papers for Chemistry 6th Semester
Question Paper from 2010 available
Please check your syllabus before downloading the question paper.
If syllabus does not match then don't download the question paper.
Year
|
Paper 101
|
Paper 102
|
Download
|
2011
|
Download
|
Download
|
Download
|
2012
|
Download
|
Download
|
Download
|
2013
|
|
||
2014
|
|||
2015
|
|||
2016
|
|||
2017
|
This is the downloading page for Chemistry 1st
semester but if
you want to explore the world of chemistry than go to the main
page for Chemistry major. Find the all the help form the world of
education so please comment.
Link is below down here
Main page- link
Semester VI
PAPER
M 601 Spectroscopy
Unit
6.1 Introduction to Spectroscopy
The
nature of electromagnetic radiation. The regions of spectrum. Mechanism of
interaction of electromagnetic radiation with matter. Absorption and emission
spectroscopy. Basic elements of practical spectroscopy. Representation of
spectrum – the width of spectral line. Intensity of spectral lines.
Selection rules for various transitions. The Beer-Lambert law, molar
absorption coefficient and absorbance. Molecular motion
and
energy – degree of freedom. Moment of inertia.
Unit
6.2 Rotational, Vibrational and Raman Spectroscopy
Rotational
spectra of diatomic molecules – rigid rotator concept – determination of
bond length – effect of isotopic substitution – spectra of non-rigid rotator.
Vibrational spectra of diatomic molecules – harmonic and anharmonic
oscillator model – Morse potential - calculation of force constants –
effect of isotope - vibrations of polyatomic molecules, overtone and combination
bands (H2O, CO2). Diatomic vibrating rotor – vibration rotation
spectrum of CO. Principle of Raman spectroscopy – rotational and
vibrational Raman spectra of linear molecules – rule of mutual
exclusion.
Structure
elucidation by IR spectroscopy – finger print region and group frequencies –
effect of
hydrogen bonding (alcohol, keto-enol) and coordination to metal.
Unit
6.3 Electronic spectroscopy
Electronic
transitions and selection rule - spectrum of atomic hydrogen – fine
structure, spectra of H-like atoms.
Electronic
transitions in diatomic molecules – Selection rule - Born Oppenheimer
approximation – vibrational coarse structure - Frank Condon principle –
electronic transitions in polyatomic molecules.
Structure
elucidation by electronic spectroscopy – chromophore, auxochrome – absorption
due to ethylenic chromophore – Woodward’s rule. Electronic
transitions in conjugated polyenes from particle in a box model.
Effect of solvents on electronic transition, quantitative estimation by
spectrophotometry.
Introduction
to photoelectron spectroscopy and its applications in simple diatomic molecules.
Unit
6.4 Spin resonance spectroscopy
Interaction
between spin and magnetic field – Nuclear spin – Nuclear magnetic
resonance spectroscopy – 1H NMR – presentation of the spectrum -
chemical shift and its unit – chemical shifts for simple organic molecules
(alkane, alkene, alkyne, arenas, aldehydes, carboxylic acids and esters).
Spin-spin coupling and high resolution 1H NMR spectra of ethanol,
ethyl benzoate, 2-iodopropane, cyanohydrin.
Basic
concept of electron spin resonance spectroscopy – presentation of the spectrum –
hyperfine
structure – esr of H- atom , deuterium atom.
Unit
6.4 Mass spectroscopy
Mass
spectroscopy - principle – idea of mass spectrometer – fragmentation
pattern – nitrogen rule - simple applications in structure elucidation (butane,
ethane, acetone) – McLafferty rearrangement (hexanoic acid, pentanal).
PAPER
M 602 Physical Chemistry
Unit
6.4 Solid
State
Laws of
Crystallography, Miller indices, Symmetry in solids, Bragg’s law,
Introduction to X-ray crystallography and determination of structure of solids.
Packing in solid – octahedral hole, tetrahedral hole, radius ratio.
Dislocation
in solids – Schottky and Frenkel defects, Dielectric property of solids,
Concept of piezo and ferro electricity. Electrical property of solids
(conductor, insulator, n type and p type semiconductors. Super conducting materials.
Magnetic properties of solids (dia-, para-, ferro- and antiferro magnetism).
Uni
6.5 Macromolecules and Colloids
Colloids
: Definition, sols, lyophobic colloids. Structure, surface and stability of
colloids. Sruface-active agents, micelle formation, critical micellar
concentration, electrical double layer and Electrokinetic phenomena.
Molecular
weight of macromolecules – number average and mass average molecular
weight. Determination of molecular weight of macromolecules.
Condensation and addition polymerization. Introduction to polymerization
kinetics.
Unit
6.6 Statistical Thermodynamics
Molecular
energy levels and Boltzmann distribution, molecular partition function and
its significance. Translational, rotational anf vibrational partition functions.
Molecular significance of heat and work. Statistical thermodynamics of monatomic
and diatomic gases. Applications of statistical thermodynamics for calculation
of heat capacity, residual entropy and equilibrium constants.
Unit
6.7 Data Analysis
Types of
errors. Propagation of errors. Accuracy and Precision. Significant figures.
Least square analysis. Average standard deviation. Uncertainty in the measurement
of physical quantities.
PAPER
M 603 Organic Chemistry
Unit
6.8 Organic Photochemistry, Polymers and
Fibres
Theory
of photochemistry: photophysical processes, electronic excitation,
excited states, Jablonski diagram, Franck-Condon Principles. Fluorescence and
phosphorescence, ET process, photosensitizers, Einstein’s law of photochemical
equivalence, quantum yield.
Typical
photoreactions: Photoreaction of benzophenone, photolytic reactions of ketones,
Norrish
type I & Norrish type II reactions, cis-trans isomerisation
and dimerisation, cycloaddition of olefins.
Polymers
and fibres: Addition and condensation polymers, Preparation of vinyl polymers,
synthesis of terylene, nylon, Elastomers-natural rubber, synthetic rubber, Urea
formaldehyde resins.
Biopolymers:
Polysaccharides-structure of cellulose and starch, lignins, Proteins-
polypeptides and polynucleotides.
Unit
6.9 Biochemistry
Structure
of cell: lipids and structure of cell membrane; membrane
transport
Basic molecules
of living systems and their structures-Carbohydrates, proteins, nucleic acids.
Amino
acids, peptides and polypeptides: Primary, secondary, tertiary and quarternary
structure of proteins. Structure and functions of hemoglobin and
and myoglobin.
Enzymes
and their function as catalysts: chymotrypsin and lisozyme. Metalloenzymes,
carboxypeptidase and peptide hydrolysis. Coenzymes and vitamins.
Structure
and hydrogen bonding in purines and pyrimidines.
Structure
of nucleotides and nucleosides. Structure of RNA and DNA.
Gene and
genetic code: biosynthesis of DNA (replication), RNA (transcription) and
proteins (translation)
Fundamentals
of biological energy production-Glycolysis, Krebs cycle, Photosynthesis,
respiration, oxidative phosphorylation and ATP synthesis.
Unit
6.10 Natural Products and Medicinal Chemistry
Terpenes:
Definition, isolation and classification, isoprene rule. Isolation, structure
determination, and synthesis of important terpene- citral.
Alkaloids:
nicotine only. Definition, classification and functions of hormones.
Definition
and classification of carbohydrates. Structure, configuration and reactions
of glucose.
Drugs-physiological
effect of their structure. Classification Chiral drugs and asymmetric
synthesis. Antibiotics and their action. Anticancer and antimalarial drugs. Immunity
and AIDS.
Sulpha
drugs- their mechanism of action. Preparation of aspirin, quinine,
chloroquin, paracetamol, phenacitin, sulphanilamide and other sulpha drugs.
Cisplatin
PAPER
M 604 Inorganic Chemistry
Unit
6.10 Spectra of coordination compounds
Free ion
terms and their splitting in octahedral symmetry, Orgel diagram, Laporte
selection rule, vibrionic coupling and colour of complexes, Electronic
spectra of M (H2O)
6n+ complex
ions.
Principles
of colorimetric determination of metals, Thermodynamic stability,
Stepwise formation constants, the chelate effect, kinetic lability and
inertness, Mechanism of ligand displacement reactions in octahedral and
square planar complexes, Determination of composition of ionic compounds by
conductometry, Theory of redox and complexometric titrations.
Unit
6.11 Bioinorganic Chemistry II
Metalloproteins
and their role in photosynthesis, respiration, Nitrogen fixation
(comparison
with Haber’s process).
Toxicity
due to Metal ions (Fe, Cu, Al, Hg, Pb, Cd, As). The effect of gases and
polluted environments (CO2, CO, NO, SO2, CN, nitrate, nitrite and
phosphate)
Importance
of metal salts in diet, diagnosis, chemotherapy and as medicines.
Unit
6.12 Nuclear Chemistry, Lanthanides and Actinides
(Marks
25)
Physical
properties of the proton and the neutron, Structure of the nucleus, Mass defect
and binding energy, Radioactive decay and equilibrium, Nuclear reaction Q
value, nuclear cross sections.
Theory of
radioactive disintegration, Rates of disintegration, the radiochemical series,
Transmutation of elements and artificial radioactivity, Fission and fusion,
Nuclear reactors and their use, Methods of measurement of radioactivity.
Isotopes
of elements (discovery, atomic weights), Methods of separation of isotopes,
Application of isotopes (Tracer technique, neutron activation analysis,
radiocarbon dating).
Lanthanides:
Electronic configuration, stability of oxidation states, Lanthanide
contraction, Coordination compounds, Separation of lanthanides.
Actinides:
Discovery, electronic configuration, oxidation states, magnetic
properties, Comparison with lanthanides.
No comments: