Download OU B.Sc 2018 Dec 3rd Year 3169 Instrumental Method of Analysis Question Paper

Download OU (Osmania University) BSc (Bachelor of Science - Maths, Electronics, Statistics, Computer Science, Biochemistry, Chemistry & Biotechnology) 3rd Year 1st Semester (Fifth and Fourth Semester) (3-1) 3169 Instrumental Method of Analysis Previous Question Paper

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Subject : chemistry
. ? W?VHA) : Instrumental Methodsolmlyugmse E.?
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Note : Answer any FIVE ofthofollowln u. u .' ' ' '
/ Wham partmo o q ' m" "
n coefficient? De?ne the term 'distribution Law"?
j/What do you understand by the t
arm Retention factor (R) value? m m. (m 3 . e
acting R; value. .
what is meant by lon-exchange chromatography? Name anyi ' and Anion
exchangers. '
.. , .31
4 Write the advantages of gas chromatography. ? f\ - j ?
5 De?ne the following terms: '-
(a) Transmittance (b) Absorbanoe '7.
,?/Mention the Lamps used as energy sources in specgpphotometry.
? / Explain Normal hydrogen electrode.
. 8 Define the terms (a) over potential (b)
? 5" 7 B.Se. V-Oomuter (
"'- Note:
' Discuss counter current extraction method
(5)
(Ii) Explain about ascending and descending methods of development of
chromatograms in paper chromatography. (6)
(b) (1') How do you determine Iron (III) by solvent extraction technique? (5)
(ii) What is two wmensional chromatography? Write its appllcations. (5)
10 (a) (l) D! 55 th??Kselection criteria of mobile phase solvents for electing polar.
?r compounds in column chromatography. .
(5)
(ii the principle and Instrumentation of HPLC. (6)
OR
(ID , w the block diagram of Gas chromatography (51$)
?1 V scuss the applications of Gas liquid chromatography (51 H (I
1' 3K ulaln single beam W-visible spectrophotometry with block diagmn. (s) 3;?. . V
. , 1, Wain estimation of Iron in water samples by Wocyanato, (5). -
n t . ' 0R ~ {I
' ? ? mm diagram of Fr-IR
? mom of mm In abet by 1,4?? *_ A