Exam Details
| Subject | instrumental methods of analysis (oet) | |
| Paper | ||
| Exam / Course | m.sc. chemistry | |
| Department | ||
| Organization | solapur university | |
| Position | ||
| Exam Date | 28, April, 2017 | |
| City, State | maharashtra, solapur |
Question Paper
M.Sc. (Semester II) (CBCS) Examination, 2017
CHEMISTRY
INSTRUMENTAL METHODS OF ANALYSIS
Day Date: Friday, 28-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
N.B. Attempt in all five questions.
Section-I is compulsory.
Attempt any two questions from Section-II and any two
questions from Section -III.
Answer to all questions should be written in same answer
book.
All question carry equal marks.
Figures to the right indicate full marks.
Use of log tables and calculators is allowed.
Section I
Q.1 Answer the following 14
Which is most abundant peak in benzene?
Write the wavelength range of finger print region in IR.
Predict the modes of vibration in ethane molecule.
1-Phenyl ethanol shows the base peak at m/z 107 due to
Name the factors affecting chemical shift.
What is the nuclear spin value for C12 and O16 nuclei?
Name the detectors used in UV-visible spectrophotometer.
What do you mean by base peak?
Define absorbance.
How will you distinguish between cis and trans 5 Hexatrene by
UV?
Define coupling constant.
Name the different types of atomizers used in AAS.
What is the function of nebulizer in ICP?
Define spin-spin relaxation.
Section II
Q.2 Explain the effect of following factors on vibrational frequencies in IR
spectroscopy
07
Explain the fragmentation pattern in t-butyl alcohol and I-butancol. 07
Q.3 Deduce the structure of an organic compound on the basis of
following data:
07
Page 1 of 2
Discuss the construction and working of plasma torch. 07
Q.4 With the help of Woodward and Fieser's rules Calculate the max
values for following compounds.
07
What is the basic principle of AAS? Explain the difference types of
interference in AAS.
07
Section III
Q.5 Explain TMS is used as internal standard in PMR spectroscopy. 05
Explain in brief Photomultiplier. 05
Explain in the brief shielding effect. 04
Q.6 Explain in brief anisotropic effect. 05
Discuss in brief FT-NMR. 05
Describe fragmentation pattern of ethyl benzene. 04
Q.7 Write a notes (any three): 14
Applications of ICP-AES
Spin-spin coupling
Applications of IR Spectroscopy
McLafferty rearrangements
CHEMISTRY
INSTRUMENTAL METHODS OF ANALYSIS
Day Date: Friday, 28-04-2017 Max. Marks: 70
Time: 10.30 AM to 01.00 PM
N.B. Attempt in all five questions.
Section-I is compulsory.
Attempt any two questions from Section-II and any two
questions from Section -III.
Answer to all questions should be written in same answer
book.
All question carry equal marks.
Figures to the right indicate full marks.
Use of log tables and calculators is allowed.
Section I
Q.1 Answer the following 14
Which is most abundant peak in benzene?
Write the wavelength range of finger print region in IR.
Predict the modes of vibration in ethane molecule.
1-Phenyl ethanol shows the base peak at m/z 107 due to
Name the factors affecting chemical shift.
What is the nuclear spin value for C12 and O16 nuclei?
Name the detectors used in UV-visible spectrophotometer.
What do you mean by base peak?
Define absorbance.
How will you distinguish between cis and trans 5 Hexatrene by
UV?
Define coupling constant.
Name the different types of atomizers used in AAS.
What is the function of nebulizer in ICP?
Define spin-spin relaxation.
Section II
Q.2 Explain the effect of following factors on vibrational frequencies in IR
spectroscopy
07
Explain the fragmentation pattern in t-butyl alcohol and I-butancol. 07
Q.3 Deduce the structure of an organic compound on the basis of
following data:
07
Page 1 of 2
Discuss the construction and working of plasma torch. 07
Q.4 With the help of Woodward and Fieser's rules Calculate the max
values for following compounds.
07
What is the basic principle of AAS? Explain the difference types of
interference in AAS.
07
Section III
Q.5 Explain TMS is used as internal standard in PMR spectroscopy. 05
Explain in brief Photomultiplier. 05
Explain in the brief shielding effect. 04
Q.6 Explain in brief anisotropic effect. 05
Discuss in brief FT-NMR. 05
Describe fragmentation pattern of ethyl benzene. 04
Q.7 Write a notes (any three): 14
Applications of ICP-AES
Spin-spin coupling
Applications of IR Spectroscopy
McLafferty rearrangements
Other Question Papers
Subjects
- advanced organic chemistry – i
- advanced organic chemistry – ii
- advanced spectroscopic methods
- analytical chemistry – i
- applied organic chemistry
- chemistry of natural products
- inorganic chemistry – i
- inorganic chemistry – ii
- instrumental methods of analysis (oet)
- organic chemistry – i
- organic chemistry – ii
- photochemistry and pericyclic reactions
- physical chemistry – i
- physical chemistry – ii
- stereochemistry