Exam Details

Subject instrumental methods of analysis – ii
Paper
Exam / Course m.sc. analytical chemistry
Department
Organization solapur university
Position
Exam Date November, 2016
City, State maharashtra, solapur


Question Paper

Page 2 of 2
Master of Science II (Chemistry)Examination: Oct Nov 2016
Semester IV (New CGPA)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SD
268
Saturday
19/11/2016
02.30 PM
to
05.00 PM
Instrumental Methods of
Analysis II
C
XIV
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 the 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
Mention any two factors which affect the molecular refraction.
Give the expression for Bragg's X-ray diffraction.
Define nebulization.
What is the basis of nephlometric analysis?
Mention any two surface probe spectroscopy.
Fluorescence emissions are mainly confined to the following transition.
σ→σ* n→σ* none of these
Name any two good oxidants to excite metal in flame.
Give the wavelength range of X-rays.
Convert 3x1014 Hz to
Mention typical lifetimes for fluorescence and phosphorescence emission.
State the Snell's law.
Give Stern-Volmer equation.
The hottest flame in O2 is produced by
acetylene cyanogens butane hydrogen
Give the statement of Beer-Lambert's law.
SECTION II
Q.2 Give an account of general techniques of surface probe microscopy. 07
Discuss the instrumentation of Nephelometry technique. 07
Q.3 Write on applications of fluorimetry. 07
Describe conventional X-ray generators. 07
Q.4 Discuss spectral, chemical and ionization interferences. 07
Explain Michelson interferometer. 07
Page 1 of 2
SECTION III
Q.5 Explain X-rays absorption. 05
Describe XRF instrumentation. 05
Write on chemiluminescence phenomenon. 04
Q.6 Discuss various zones of a flame. 05
With the help of Joblonski diagram, illustrate photophysical pathways. 05
XRD pattern of a metal gives first order reflection at sinθ 0.96. Calculate
interplanar distance (Given incident x-ray wavelength 1.54 06A).
04
Q.7 Write short notes on (any three) 14
Sampling of surfaces
Burners used in flame photometry
Phosphoroscope
Applications of turbidimeteric method


Subjects

  • advance analytical techniques
  • advance separation techniques
  • advanced analytical techniques
  • applied analytical chemistry
  • bio-chemical and food analysis
  • environmental chemical analysis
  • inorganic chemical spectroscopy
  • instrumental methods of analysis
  • instrumental methods of analysis – ii