Download SGBAU B-Tech 3rd Sem Poly Plast Applied Physical Chemistry Question Paper

Download SGBAU (Sant Gadge Baba Amravati university) B-Tech/BE (Bachelor of Technology) 3rd Sem Poly Plast Applied Physical Chemistry Previous Question Paper

B.Tech. Third Semester (Pobmcr (Plastic) Tech.) (CGS)
11096 : Applied Physical Chemistry : 3 PP 02
P. Pages: 2 IIIWIIIIIIIII AW - 3000
Time : Three Hours . o o 7 6 . Max. Marks : 80
Notes : Answer three question from Section A and three question from Section B.
l
2 Due credit will be given to ncatness and adequate dimensions.
3. Assume suitable data wherever necessary.
4. Diagrams and chemical equations should be given wherever necessary.
5 Illustrate your answer necessary with the help of neat sketches.
6 Discuss the reaction, mechanism wherever necessary.
7 Use of pen BIue/Black ink/re?ll only for writing the answer book.
SECTION - A
1. a) Explain the effects of polymer structure on the properties of polymers. 4
b) What do you mean by intrinsically conducting polymers. 4
c) How molecular weight of macromolecule is determine by light scattering method. 5
OR
2. a) State the principle of membrane osmometry method. 5
b) Give the applications of Doped conducting polymers. 4
c) Give the nomenclature for macromolecules. 4
3. a) Derive an expression for EMF ofconcentration cell with transference. 5
b) Give the applications of conductomctric titrations. 4
0) De?ne the terms : 4
i) Cell constant. ii) Transport number.
OR
4. 3) Explain the determination of activity and activity coef?cient. 5
b) Explain Debye - Huckel's theory of strong electrolyte. 4
c) De?ne the terms : 4
i) Speci?c conductance. ii) Equivalent conductance.
5. a) Explain law of mass action. 4
b) Give the detailed account on any two methods for determination of order of reactions. 6
c) De?ne : 4
i) Kp ii) Kc
0R
AW - 3000 1 P.T.O

b)
e)
10. a)
b)
e)
11. a)
b)
C)
12. a)
b)
C)
Give an expression for COHISiO? theory at?unimolccular reactions. How does the order v any
witl' concentration of reacting molecule.
Why does reaction rate increases with temperature.
Show that 'ly a a: for second order reaction.
2
SECTION - B
Explain Bi - Cd system with phase diagram.
Differentiate Homogeneous and Heterogeneous Catalysist
Explain the idea of Acid - base catalysis.
OR
Den've the expression for (iibb's phase rulc.
Explain the characteristic ot?cawlysl.
Define :
i) Catalytic activator ii) Degree of freedom
Derive an expression for the ef?ciency of Camot's engine working between two
temperature T1 and T2.
Give any two statements 01? second law ot?themtodynamics.
Explain the terms :
i) Free energy ii) Entropy
OR
State and explain the thermodynamic tenns.
Discuss thermodynamic temperature scale.
State and explain the thermodynamic criteria for the spontaneous process taking place in
an isolated system at constant temperature and at constant pressure.
Derive expression for Lamberts - Beer's law.
Explain differential thcmml analysis technique of polymer (DTA).
G:ve the applications of IR spectroscopy.
OR
De?ne:
i) Quantum cf?cienq ii) Photosensitization
Give the applications of NMR - Snectroscopy.
Explain Thermal Gravimetric Analysis (TGA) technique of polymer.
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AW - 3000 2