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Download OU B.Sc 5th Year 2019 B.Sc Chemistry Question Bank Question Paper

Download OU (Osmania University) B.Sc Fifth Year (5th Year) B.Sc Chemistry Question Bank Question Paper

This post was last modified on 21 November 2019

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b]Preparationandsubmissionofthecrudcsampleofanorganiccompound12Marks
2.SeparationoftwocomponentmixturebyTLCandcalculationofRfvalueforeachcoponent.
SubmissionoftheTLCplatewithbetterseparationoftwocomponentsofthemixture.05Btlurks
3.VivaandRecord0SMarks
______._.

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Totalt25Marks
?_.__?__._.
)4?)
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SCHEME0FVALUATION
B.Sc.lllYear,Semester-VPracticalExamination
SubjectzChemislry
Paper-V(OrganicSynthesisandTLC)(CHE551)
1a)Principle,reactionandmechanismforthepreparationoftliegivenorganiccompound03Marks

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b]Preparationandsubmissionofthecrudcsampleofanorganiccompound12Marks
2.SeparationoftwocomponentmixturebyTLCandcalculationofRfvalueforeachcoponent.
SubmissionoftheTLCplatewithbetterseparationoftwocomponentsofthemixture.05Btlurks
3.VivaandRecord0SMarks
______._.

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Totalt25Marks
?_.__?__._.
)4?)
\\

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FACULTY
OF
SCIENCE
B.Sc.lllYear,Semester-VPracticalExainations,2018
Subject:Chemistry

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Paper-V(OrganicSynthesisandTLC)(CHES51)
QuestionBank
Time:2HoursMax.Marksz25
Ia)Writetheprinciple,reactionandmechanismforthepreparationofanorganiccompound
fromthelistgivenbelow:(03Marks)

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1.Aspirin7.Benzoicacid
2.Bcnznnilide8.N-Butylacetate
3.Nitrobenzene9.B-Naphthylmethylether
4.m-Dinitrobenzene10.Benzyliclencaniline
S.p-Bromoacetanilide_l1.PhenylamIS-naphthol

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:6.2,4,6-'l'ribro|nophenol
b)Prepareanclsubmitthecrudesampleofanorganiccompoundfromthelistgivenbelow:
(IIMarks)
l.Aspirin7.Benzoicacid
2.

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Benzauilide
8.
N-Butylacetate
3.Nitrobenzene9.B-Naphthylmethylether
4.m-Diniuobcnzenel0.Benzylideneaniline

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S.p-Bromoaeetanilide11.Phenylaz/aB-nziphthol
6.2,4,6@Tribromophenol
H.SeparatethetwocomponentmixturebyTLCandcalculatetheR;valeforeachcomponent.
SubmittheTLCplatewithbetterseparationoftwocomponentsofthemixture.(05Marks)
l.2,4-DinirrophenylhydrazoncsofacetoneandZ-butanonemixture

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2.onho-andpnru-Nitroanilinemixture
llI.VivaandRecord~

~((l5Marks)

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