Master of Science II (Analytical Chemistry)
Examination: Oct Nov 2016 Semester III (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SD
265
Wednesday
23/11/2016
02.30 PM
to
05.00 PM
Analytical Spectroscopy
C
XII
Instructions: Attempt in all five questions.
Section one is compulsory.
Attempt any two questions from Section II and any two
questions from Section III.
Answer to all questions (Section II and III) should be
written in one answer book.
All questions carry equal marks.
Figures to right indicate full marks.
Use of log table and calculators is allowed.
Total Marks:70
SECTION I
Q.1 Answer the following: 14
Molecular polarizibility is anisotropic. [True False]
Give the principle of photoelectron spectroscopy.
Define nuclear quadrupole moment.
State the rule of mutual exclusion.
Mention the source used in photo acoustic spectroscopy.
Electron-nucleus coupling constants are very much bigger than those for
nucleus-nucleus coupling constants. [True False]
What is quadruple splitting?
Mention different probes preferred in SPM techniques.
What technological advances have enabled the routine use of Raman
spectroscopy?
What do you mean by elastic collision?
Write theoretical value of Linde's splitting factor for an electron.
For NQR spectra the same should be in state
liquid ii) Solid iii) Gas iv) All of these
Why ESR spectrometers operate in the derivative mode?
Put any two nuclei having half integer spins.
SECTION II
Q.2 Explain the principle and technique of ultraviolet photoelectron
spectroscopy.
07
Describe the applications of Raman spectroscopy in structure elucidation. 07
Q.3 With the help of schematic arrangements of modern Mössbauer
spectrometer, discuss Mössbauer spectrometer.
07
Mention chemical and surface applications of photoacoustic spectroscopy. 07
Page 1 of 2
Q.4 Explain with suitable examples the applications of ESR spectroscopy in
quantitative analysis.
07
What do you understand by NQR group frequencies? Explain its use in
molecular structure determination.
07
SECTION III
Q.5 Give a quantum mechanical theory of Raman Effect. 05
Illustrate pure rotational Raman spectrum. 05
Predict the number of lines in the ESR spectrum of each of the following
radicals and
04
Q.6 Define quadrupole coupling constant. Outline a procedure for its
determination.
05
Lists applications of Scanning Tunneling Microscopy. 05
Write on PAS gases and condensed system. 04
Q.7 Write short notes on (any three) 14
Scope and limitations of ESCA
Advanced technological applications of STM.
ESR spectroscopy for qualitative analysis
Resonance Raman effect