Total No. of Questions 12] [Total No. of Pages 02
M.Sc.(Second) DEGREE EXAMINATION, MAY 2017
(Second Year)
CHEMISTRY
Analytical Chemistry
Time 3 Hours Maximum Marks 70
Section A
Answer any Four questions
(4× 7½ 30)
Q1) State and explain Beer's law. What are its limitations?
Q2) Explain the instrumentation and working principle of nephelometry.
Q3) Define fluorescence. Write the factors affecting fluorescence. Write the applications of
Fluorimetry.
Q4) Write the experimental procedure for flame photometry. Explain the possible errors in
flame photometry.
Q5) Draw and explain the conductometric titration curve of a strong acid and strong base.
Q6) Write the principle and applications of electrogravimetry.
Q7) Explain chelate and ion association system in solvent extraction with examples.
Q8) Write about the oreparation of thin layer chromatographic plate (TLC). Explain the
development methods in TLC.
Section B
Answer all the questions choosing one from each unit
(4× 10 40)
Unit-I
Q9) Describe the instrumentation and principles of Infra Red spectroscopy. Write
the applications of IR spectroscopy for structure determination with examples.
OR
Describe the working principle of UV-visible spectroscopy. How do you determine
stability constants by UV-visible spectroscopy
Unit-II
Q10) Describe the instrumentation, principle and applications of atomic absorption
spectrophotometry.
OR
Explain the theory and working principle and basic instrumentation of fluorimetry.
Unit-III
Q11) Write the theory and working principle of potentio metric techniques. Explain its
applications in precipitation reactions.
OR
Describe the instrumentation, principle and applications of polarography.
Unit-IV
Q12) Explain the instrumentation, principle and applications of HPLC
OR
What are Ion-Exchangers? Explain the action of Ion-Exchangers and write their
analytical applications.