Master of Science II (Analytical Chemistry)
Examination: Oct/Nov 2016 Semester III (Old CGPA)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SD
258
Friday
18/11/2016
02:30 PM
to
05.00 PM
Instrumental Methods of
Analysis-I
C
X
Instructions: Attempt in all five questions.
Section-I is compulsory.
Attempt any two questions from Section II and any two
questions from Section III
Answers to all questions (Section II, III) should be written in
the one answer book.
All questions carry equal marks.
Figures to the right indicate full marks.
Use of log table and calculators in allowed.
Total Marks:70
SECTION I
Q.1 Answer the following 14
What do you mean by endotherms and exotherms?
Neutrons were discovered by
Name the device that is used to determine the temperature in DSC apparatus.
In amperometry the preferred reference electrode is
KNO3 electrolyte is preferred in salt bridge construction. Why?
Give the potential range (Voltage) in which the GM counter works.
Mention the nuclear radiations.
Define overpotential.
What is dilatometry?
Name any two reference electrodes used in EMF measurement.
What is amalgam?
What are isotones? Give example of it.
State Faraday's first law of electrolysis.
Who introduced high frequency titration method?
SECTION II
Q.2 Write on applications of neutron activation analysis. 07
Explain in detail how DSC technique can be used in studies of thermal
transition and isothermal crystallization.
07
Q.3 Describe how electrolytic separation of metals can be studied with the help of
Electro-gravimetric analysis.
07
With the help of suitable example explain liquid-liquid membrane electrode. 07
Page 1 of 2
Q.4 What do you mean by ion selective electrodes? Discuss solid state electrodes. 07
Discuss instrumentation for Differential thermal analysis technique. 07
SECTION III
Q.5 Lists advantages and disadvantages of amperometric titrations. 05
Draw typical TGA curve for copper sulphat pentahydrate. What information
you can get from it.
05
Describe characteristics of nuclear radiations. 04
Q.6 Explain in detail isotopic dilution analysis. 05
Explain the instrumentation required for coulometric titration. 05
Write on dropping mercury electrode (DME). 04
Q.7 Write short notes on any THREE 14
Cyclic voltammetric technique
Advantages of high frequency titrations
Radioimmunoassay
Applications of coulometric titrations