Seat No.:
Subject Code: 270004
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Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
B.PHARM - SEMESTER - 7- EXAMINATION ~WINTER - 2018
Subject Name: Pharmaceutical Analysis 11T
Time: 10:30 AM TO 01:30 PM
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Instructions:
- Attempt any five questions.
- Make Suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
Q.1 Define: a) Line Spectra b) Spectroscopy c) Emission Spectroscopy (06)
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Q.2 Enlist IR detectors. And Explain any one in detail. (05)
Q.3 Write a note on interference in Atomic Absorption Spectroscopy. (05)
Q.4 (a) Explain principle and working for Time of Flight mass Analyser. (06)
(b) Explain the different types of vibrations in IR. (05)
(c) Write a note on Hollow Cathode Lamp. (05)
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Q.5 (a) Explain the principle of NMR. (06)
(b) Define and derive Beer Lambert’s Law. (05)
(c) Explain the principle of Florescence and Phosphoresce with Jablonski diagram. (05)
Q.6 (a) Explain: a) Bathochromic Shift b) Auxochrome c) Hypsochromic shift (06)
(b) Explain: a) Mc lafferty Rearrangement b) Nitrogen Rule (05)
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(c) Write a note on Deviations of Beer Lambert’s Law. (05)Q.7 (a) Define Quenching. Write a note on Quenching Agents. (06)
(b) Enlist Ionization techniques for Mass Spectroscopy and explain any one. (05)
(b) Write a note on chemical shift for NMR. (05)
Describe the instrumentation required for fluorescence analysis. What are primary filter and secondary filters? (06)
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Write a note on Radiation sources for UV spectroscopy. (05)
Explain: a) Fingerprint region b) Base ion peak (05)
Comment: Benzene is colourless while Nitrobenzene is pale yellow in colour. (06)
Which elements are contributed to M+2 ion peak in mass spectra? Why? (05)
Write a note on FT-IR. (05)
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Date: 22/11/2018
Total Marks: 80
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