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Posted By: krishna mohan Member Level: Gold Posted Date: 02 Jun 2008
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2007 Acharya Nagarjuna University M.Sc ANALYTICAL CHEMISTRY Question paper
(DCHE 21)
M.Sc. (Final) DEGREE EXAMINATION, DECEMBER 2007.
Second Year
Chemistry
Paper V -ANALYTICAL CHEMISTRY
Time : Three hours Maximum : 100 marks
PART A -(4 *10 = 40 marks)
Answer any FOUR questions.
1. Describe the instrumentation of Turbidimetry and its working principle.
Mention few applications of this technique.
2. What is Qualitative and Quantitative analysis? Explain the method of
determining Iron by using spectrophotometer.
3. What are the important components of spectrofluorimeter? Explain its
working principle.
4. Write the applications of Atomic Absorption Spectrometer (AAS).
5. What are red?ox titrations? Explain the usefulness of potentiometric
titrations.
6. Describe the electrogravimetric technique with suitable examples.
7. Explain the solvent extraction principle and mention its advantages.
8. Describe the principle of thin layer chromatographic technique.
PART B - (4 *15 = 60 marks)
Answer ALL questions.
9. (a) State and explain Beer?s Law. Describe method of determining
manganese and phosphate by using spectrophotometer.
Or
(b) Explain the instrumentation and applications of Infrared
Spectroscopy.
10. (a) What are the important components of Atomic Absorption
Spectrometer? Explain its working principle.
Or
(b) Describe the working of Flame photometer. Write few applications
of this instrument.
11.(a) What are conductometric titrations? Draw and explain the strong
acid and strong base neutralisation curve.
Or
(b) Explain the usefulness of potentiometer in the precipitation and
complexometric reactions with suitable examples.
12. (a) What are the important components of Gas-Liquid
chromatography? Explain its working principle.
Or
(b) What are Ion?exchangers? Explain the Ion?exchange mechanism
for the separation of different types of ions.
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