Total No. of Questions 12] [Total No. of Pages 02
M.Sc.(Previous) DEGREE EXAMINATION, MAY 2017
(First Year)
CHEMISTRY
General Chemistry
Time 3 Hours Maximum Marks 70
Section A
Answer any Four questions
(4× 7½ 30)
Q1) Explain the nature of radiation and their Quantization of energy in molecular
spectroscopy.
Q2) Explain the basic instrumentation and working principle of electron spin resonance
spectroscopy (ESR).
Q3) By taking a suitable, explain the electronic spectra of a diatomic molecule in UV
visible spectroscopy.
Q4) Write about the radiation sources and detectors used in Intra Red spectroscopy.
Q5) Write the basic steps involved in the collection of water samples for analysis.
Q6) Explain student test and its significance.
Q7) Explain the basic components of a computer and their functions.
Q8) What do you understand by IF and GOTO statements?
Section B
Answer all questions choosing one from each unit
(4× 10 40)
Unit-I
Q9) Explain the theory, instrumentation and working principle of nuclear magnetic
resonance spectroscopy (NMR).
OR
By taking suitable examples, explain the microwave spectra of linear molecules.
Unit-II
Q10) By taking suitable examples, explain the vibrational spectra of diatomic molecules
in Infra Red spectroscopy.
OR
Discuss the rotational fine structure of electronic vibration transitions.
Unit-III
Q11) Explain the importance of control charts in the analysis of data.
OR
Explain the method of least square analysis with an example.
Unit-IV
Q12) Write a flow chart and computer program for solving Vander Waal's equation.
OR
Write a flow chart and computer program for summing power series.