Exam Details
| Subject | analytical chemistry – i | |
| Paper | ||
| Exam / Course | m.sc. chemistry | |
| Department | ||
| Organization | solapur university | |
| Position | ||
| Exam Date | November, 2016 | |
| City, State | maharashtra, solapur |
Question Paper
Master of Science I (Chemistry) Examination: Oct/Nov 2016
Semester II (Old CGPA)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SD
174
Thursday
24/11/2016
10.30 AM
to
01.00 PM
Analytical Chemistry II
C
VIII
Instructions: Answer any five questions.
All questions carry equal marks.
Section I is compulsory.
Attempt any two questions from Section II and two from
Section III
Answer to all questions (Section II III) should be written
in one answer book.
Use of log table and calculators in allowed.
Total Marks:70
SECTION I
Q.1 Answer the following: 14
Name the factors affecting chemical shift.
What is the nuclear spin value for C12and O16nuclei?
Define absorbance.
The most intense peak in the mass is known as
Define coupling constant.
Name the different types of atomizers used in AAS.
What is the function of nebulizer in ICP?
Define spin-spin relaxation.
Which is most abundant peak in alkyl aniline?
Predict the transition involved in methyl chloride.
The n-propyl cyclohexene shows the base peak at
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
SECTION II
Q.2 Explain the effect of following factors on vibrational frequencies in IR
spectroscopy.
07
Explain the fragmentation pattern in n-propyl cycloalkane and butanol. 07
Q.3 Define the term chemical shift. Explain the shielding and deshielding effect. 07
What is the basic principle of AAS? Explain the difference types of
interference in AAS.
07
Page 1 of 2
Q.4 Discuss the construction and working of plasma torch. 07
Deduce the structure of an organic compound on the basis of following data:
Molecular Formula: C8H8O2
PMR 3.8 (12 mm,
6.9 mm, J=8.5 Hz)
7.7 mm, J=8.5 Hz)
9.6 mm,
07
SECTION III
Q.5 Explain TMS is used as internal standard in PMR spectroscopy. 05
Give applications of ICP-AES 05
Describe fragmentation pattern of ethyl benzene. 04
Q.6 With the help of Woodward and Fieser's rules calculate the λ max values for
following compounds.
05
Discuss in brief Spin-spin coupling. 05
Explain in brief anisotropic effect. 04
Q.7 Write a note on any three of the following: 14
McLafferty rearrangements
Chemical shift
Quantitative applications of UV-Visible Spectrophotometer
Sample handling in IR Spectroscopy
Page 2 of
Semester II (Old CGPA)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SD
174
Thursday
24/11/2016
10.30 AM
to
01.00 PM
Analytical Chemistry II
C
VIII
Instructions: Answer any five questions.
All questions carry equal marks.
Section I is compulsory.
Attempt any two questions from Section II and two from
Section III
Answer to all questions (Section II III) should be written
in one answer book.
Use of log table and calculators in allowed.
Total Marks:70
SECTION I
Q.1 Answer the following: 14
Name the factors affecting chemical shift.
What is the nuclear spin value for C12and O16nuclei?
Define absorbance.
The most intense peak in the mass is known as
Define coupling constant.
Name the different types of atomizers used in AAS.
What is the function of nebulizer in ICP?
Define spin-spin relaxation.
Which is most abundant peak in alkyl aniline?
Predict the transition involved in methyl chloride.
The n-propyl cyclohexene shows the base peak at
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
SECTION II
Q.2 Explain the effect of following factors on vibrational frequencies in IR
spectroscopy.
07
Explain the fragmentation pattern in n-propyl cycloalkane and butanol. 07
Q.3 Define the term chemical shift. Explain the shielding and deshielding effect. 07
What is the basic principle of AAS? Explain the difference types of
interference in AAS.
07
Page 1 of 2
Q.4 Discuss the construction and working of plasma torch. 07
Deduce the structure of an organic compound on the basis of following data:
Molecular Formula: C8H8O2
PMR 3.8 (12 mm,
6.9 mm, J=8.5 Hz)
7.7 mm, J=8.5 Hz)
9.6 mm,
07
SECTION III
Q.5 Explain TMS is used as internal standard in PMR spectroscopy. 05
Give applications of ICP-AES 05
Describe fragmentation pattern of ethyl benzene. 04
Q.6 With the help of Woodward and Fieser's rules calculate the λ max values for
following compounds.
05
Discuss in brief Spin-spin coupling. 05
Explain in brief anisotropic effect. 04
Q.7 Write a note on any three of the following: 14
McLafferty rearrangements
Chemical shift
Quantitative applications of UV-Visible Spectrophotometer
Sample handling in IR Spectroscopy
Page 2 of
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