Indian Institute of Technology Kharagpur (IIT-K) 2008 M.Sc Chemistry Organic - Question Paper
INDIAN INSTITUTE OFJECh ime : 2 / 3 Full Mar
No. of Students . sub.Wo.C..0.t?..S
OhzMLsly...........................
Date .....FN / AN Time
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;hnology
1 Marks...........
Autumn / Spring Semester......... Deptt.......................
.......... Yr. B.Tech. (H) I B.Arch. (H) I Sub. Name.....
Instruction.............................................................................
Answer Five questions Total Marks-- 50
lDiscuss the stability of cycloalkanes on the basis of Baeyers strain theory. JaExplain why carbon -carbon bonds in cyclopropane are weaker than the carbon-carbon bonds in propane ?
What are conformational isomers ? Discuss the conformational isomer of n-Butane. jDiscuss the reaction mechanism of Beckmann rearrangement. [ 3+1+3+3]
2,a)What is thermoplastic and thermosetting polymers ?
bDiscuss the preparation oTerylenand Nyion6,6 ?
j2) What is natural rubber [3+6+1]
3.a) What is dye ? What are its properties ?
ty) Discuss the synthesis of Alizarin and Indigo dyes . [ 2+8]
What is mutarotation and glucosides in glucose ? sjtf) How will you convert glucose to fructose and vise versa ?
What are the tests of glucose ? [ 2+6+2]
Discuss the synthesis of phenyl butazone and sulphur pyrimidine drugs ? ytWhat are synthetic pesticide and biopesticide ?
yfDiscuss the synthesis of malathion and parathion pesticides . [ 4+2+4]
6. Write short notes
Diels Alder reaction b) Wittig reaction c) Reformatsky reaction 4) Perkin reaction jt) Arndt Eistert synthesis [ 2+2+2+2+2]
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