STUPIDSID
1
What is meant by degree of polymerization?
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2
Mention any two uses of epoxy resin.
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3
Calculate the entropy change for the reversible isothermal expansion 10 moles of an ideal gas to 50 times its original volume at 298k.
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4
Define entropy for an ideal gas.
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5
What is chemiluminescence?
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6
What is meant by absorption of radiation?
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7
What are alloys?
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8
What is condensed Phase rule?
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9
What are carbon nano tubes?
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10
What is laser ablation?
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Answer any one question from Q11. (a) & Q11. (b)
11.(a)(i)
Discuss cationic polymerization mechanism in detail.
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11.(a)(ii)
Distinguish thermoplastics and thermosetting plastics.
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11.(b)(i)
Explain any four properties of polymer in detail
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11.(b)(ii)
Discuss the preperation, properties and uses of Nylon 6.6
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Answer any one question from Q12. (a) & Q12. (b)
12.(a)(i)
Derive Gibbs-Helmholtz equation and explain
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12.(a)(ii)
Compute free energy change when 5 moles of an ideal gas expands reversibly and Isothermally at 300 K from an initial volume of 50 L to 1000 L.
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12.(b)(i)
What meant by Vant Hoff's reaction isotherm? Derive the expression for a reaction isotherm of the general reaction:
aA+bB ⇄cC+dD.
aA+bB ⇄cC+dD.
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12.(b)(ii)
Discuss the criteria for chemical reaction to be spontaneous.
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Answer any one question from Q13. (a) & Q13. (b)
13.(a)(i)
State and explain the laws of Photochemistry in detail.
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13.(a)(ii)
Explain the principle and instrumentation of UV-Visible spectroscopy with neat block diagram.
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13.(b)(i)
Explain the principle and instrumentation of IR spectroscopy with a neat block diagram.
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13.(b)(ii)
Discuss
(i) Florescence and
(ii) Phosphorescence in detail
(i) Florescence and
(ii) Phosphorescence in detail
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Answer any one question from Q14. (a) & Q14. (b)
14.(a)(i)
Draw a neat one component water system and explain in detail.
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14.(a)(ii)
Discuss the heat treatment of steel in detail.
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14.(b)(i)
Draw a neat zinc - magnesium system and explain in detail.
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14.(b)(ii)
Discuss composition, properties and uses of any two non-ferrous alloys.
8 M
Answer any one question from Q15. (a) & Q15. (b)
15.(a)(i)
How are carbon nonotubes are synthesised? Explain in detail.
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15.(a)(ii)
Distinguish molecules, nanoparticles and bulk materials.
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15.(b)(i)
Discuss various types of synthesis involved in the preparation nanomaterials.
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15.(b)(ii)
Explain
(i) nano cluster
(ii) nanowire with example.
(i) nano cluster
(ii) nanowire with example.
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