Download OU B.Pharma 2-1 Year 2017 4213 Pharmaceutical Oranic Chemistry I Question Paper

Download OU (Osmania University) B.Pharma 2-1 (2nd Year 1st Sem) (Bachelor of Pharmacy) 2017 4213 Pharmaceutical Oranic Chemistry I Previous Question Paper

Code No. 4213
FACULTY
B. Pharmacy 2/4 I ? Semester (Suppl.) Examination, April 2017
Subject: Pharmaceutical Oranic Chemistry ? I
Time: 3 Hrs Max. Marks: 70
Note: Answer all questions. All questions carry equal marks.
1 a) Discuss the effect of intramolecular and intermolecular forces. 8
b) Explain the followin terms:
i) Inductive effect 3
ii) Resonance effect.

3
OR
c) What is isomerism? Write abt structural isomerism. 6
d) Add a note on activation enery. 4
e) Define the terms with examples: 4
i) Bond anle
ii) Heterolysis.
2 a) Write the reaction and mechanism of antimarkonikovs addition. 7
b) ive the structural formulas of the followin: 3
i) 4 Ethyl 2,4 dimethyl heptane
ii) 1,2 Dibromo 2 methyl propane
iii) 3 Ethyl 2 methyl pentane.
c) Write any two methods for synthesis of alkenes. 4
OR
d) Explain the stability of cycloalkanes by different theories. 10
e) Write any two chemical reactions of alkanes. 4
3 a) ive the structural formulas for the followin: 4
i) 2 Bromo ethanol
ii) Tert butyl isobutyl ether
iii) 2 Fluoro 3 pentanol
iv) n Butyl ethyl ether
b) Write the mechanism of dehydration of alcohols. 6
c) Add a note on Walden inversion. 4
OR
d) ive the reasons for followin statements: 2
i) Alcohols have hiher boilin points than alkanes
ii) Lower alcohols are soluble in water
e) How will y distinuish between primary, secondary and tertiary alcohols with
examples? 7
f) Discuss the mechanism for SN
1
reactions. 5
4 a) ive the mechanisms for the followin: 3x2=6
i) Aldol condensation
ii) Haloform reaction
iii) Witti reaction
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Code No. 4213
FACULTY
B. Pharmacy 2/4 I ? Semester (Suppl.) Examination, April 2017
Subject: Pharmaceutical Oranic Chemistry ? I
Time: 3 Hrs Max. Marks: 70
Note: Answer all questions. All questions carry equal marks.
1 a) Discuss the effect of intramolecular and intermolecular forces. 8
b) Explain the followin terms:
i) Inductive effect 3
ii) Resonance effect.

3
OR
c) What is isomerism? Write abt structural isomerism. 6
d) Add a note on activation enery. 4
e) Define the terms with examples: 4
i) Bond anle
ii) Heterolysis.
2 a) Write the reaction and mechanism of antimarkonikovs addition. 7
b) ive the structural formulas of the followin: 3
i) 4 Ethyl 2,4 dimethyl heptane
ii) 1,2 Dibromo 2 methyl propane
iii) 3 Ethyl 2 methyl pentane.
c) Write any two methods for synthesis of alkenes. 4
OR
d) Explain the stability of cycloalkanes by different theories. 10
e) Write any two chemical reactions of alkanes. 4
3 a) ive the structural formulas for the followin: 4
i) 2 Bromo ethanol
ii) Tert butyl isobutyl ether
iii) 2 Fluoro 3 pentanol
iv) n Butyl ethyl ether
b) Write the mechanism of dehydration of alcohols. 6
c) Add a note on Walden inversion. 4
OR
d) ive the reasons for followin statements: 2
i) Alcohols have hiher boilin points than alkanes
ii) Lower alcohols are soluble in water
e) How will y distinuish between primary, secondary and tertiary alcohols with
examples? 7
f) Discuss the mechanism for SN
1
reactions. 5
4 a) ive the mechanisms for the followin: 3x2=6
i) Aldol condensation
ii) Haloform reaction
iii) Witti reaction
Code No. 4213
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b) Write any fr meth ods for preparation of carbonyl compnds.
OR
c) Write the eneral methods of preparation of carboxylic acids. 7
d) Discuss reactivity and applications of acetoacetic ester. 7
5 a) How will y separate a mixture of amines with different methods. 6
b) Write abt the reactions of amines.

8
OR
c) ive the synthetic applications of aryl diazonium salt. 4
d) Write the nomenclature and acidity of nitro alkanes. 5
e) ive a note on diazotization and Sandmeyer reaction. 5
****
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