Exam Details
| Subject | organic chemistry – i | |
| Paper | ||
| Exam / Course | b. pharmacy | |
| Department | ||
| Organization | solapur university | |
| Position | ||
| Exam Date | March, 2018 | |
| City, State | andhra pradesh, solapur |
Question Paper
B.Pharmacy (Semester II) Examination, 2018
(Old CBCS)
organic chemistry I
Day and Date Friday, 11-5-2018 Max. Marks 70
Time 10.30 a.m. to 1.30 p.m.
I. Multiple choice questions. (Choose most appropriate answer) (1×15=15)
Alkene undergo hydrogenation reaction to give
Alkanes Alkenes
Alkynes Conjugated alkanes
Alkenes
Are saturated compounds
Are unsaturated compounds
Contains all carbon-carbon singles bonds
Contains no carbon-carbon double bonds
Which statement best describes the mechanism of SN2 reaction
Front side attack with inversion of configuration
Back side attack with inversion of configuration
Front side attack with retention of configuration
Back side attack with retention of configuration
Lindlard's catalyst is
LiAIH4 Pd/BaSO4 in quinoline
NH2NH2 HCl/ZnCl2
Bayer's reagent is
Dilute KMnO4 Br2 in CCl4
NH2NH2 HCl ZnCl2
What is the IUPAC name for given structure neopentane
1-methylbutane 2-methylbutane
1,1-dimethylpropane 2,2-dimethylpropane
Ethyl alcohol reacts with conc. H2SO4 at 170°C to form
Acetone Acetic acid Ethylene Diethyl ether
Propene reacts with HBr in the presence of a peroxides to give
n-propyl bromide allyl bromide
isopropyl bromide vinyl bromide
Homolytic fission C-C bond leads to the formation of
Free radical Carbonium ion
Carbon ion Both A and B
10) Pyrolysis of alkanes is carried out at °C.
0-200 200-400 500-700 900-1000
11) If the double bonds are separated by one single bond then the diene is called
Isolated Conjugated
Non conjugated Cumulated
12) When acetylene is passed through hot iron tube at 400°C it gives
Benzene Toluene
o-Xylene Mesitylene
13) 1,3-butadiene reacts with bromine to mainly give
3,4 dibromo 1 butene 1,3 dibromo 2 butene
4 bromo 1 butene 1 bromo 2 butene
14) Ether reacts with cold H2SO4 to form
Oxonium ion Alkene
Alkoxide Zwitterion ion
15) A common way to prepare symmetrical ethers is from
Alkyl halides Alcohols Esters Acids
II. Answer any five
Write methods of preparation of alkyl halides.
Write in detail about Resonance effect and Inductive effect.
Write methods of preparation of ethers.
Write a note on Diels alder reaction.
Write reaction of alkenes.
Write a reaction of alkynes.
III. Answer any three (3×10=30)
Define and classify alcohols. How will you separate mixture of primary, secondary and tertiary alcohols
Write a note on SN1 and SN2 reactions and describe factors affective it.
What are the different ways to define of acid and bases Add a note on factors affecting it.
Write a note on Saytzeff's rule and Hoffmann rule with suitable example.
(Old CBCS)
organic chemistry I
Day and Date Friday, 11-5-2018 Max. Marks 70
Time 10.30 a.m. to 1.30 p.m.
I. Multiple choice questions. (Choose most appropriate answer) (1×15=15)
Alkene undergo hydrogenation reaction to give
Alkanes Alkenes
Alkynes Conjugated alkanes
Alkenes
Are saturated compounds
Are unsaturated compounds
Contains all carbon-carbon singles bonds
Contains no carbon-carbon double bonds
Which statement best describes the mechanism of SN2 reaction
Front side attack with inversion of configuration
Back side attack with inversion of configuration
Front side attack with retention of configuration
Back side attack with retention of configuration
Lindlard's catalyst is
LiAIH4 Pd/BaSO4 in quinoline
NH2NH2 HCl/ZnCl2
Bayer's reagent is
Dilute KMnO4 Br2 in CCl4
NH2NH2 HCl ZnCl2
What is the IUPAC name for given structure neopentane
1-methylbutane 2-methylbutane
1,1-dimethylpropane 2,2-dimethylpropane
Ethyl alcohol reacts with conc. H2SO4 at 170°C to form
Acetone Acetic acid Ethylene Diethyl ether
Propene reacts with HBr in the presence of a peroxides to give
n-propyl bromide allyl bromide
isopropyl bromide vinyl bromide
Homolytic fission C-C bond leads to the formation of
Free radical Carbonium ion
Carbon ion Both A and B
10) Pyrolysis of alkanes is carried out at °C.
0-200 200-400 500-700 900-1000
11) If the double bonds are separated by one single bond then the diene is called
Isolated Conjugated
Non conjugated Cumulated
12) When acetylene is passed through hot iron tube at 400°C it gives
Benzene Toluene
o-Xylene Mesitylene
13) 1,3-butadiene reacts with bromine to mainly give
3,4 dibromo 1 butene 1,3 dibromo 2 butene
4 bromo 1 butene 1 bromo 2 butene
14) Ether reacts with cold H2SO4 to form
Oxonium ion Alkene
Alkoxide Zwitterion ion
15) A common way to prepare symmetrical ethers is from
Alkyl halides Alcohols Esters Acids
II. Answer any five
Write methods of preparation of alkyl halides.
Write in detail about Resonance effect and Inductive effect.
Write methods of preparation of ethers.
Write a note on Diels alder reaction.
Write reaction of alkenes.
Write a reaction of alkynes.
III. Answer any three (3×10=30)
Define and classify alcohols. How will you separate mixture of primary, secondary and tertiary alcohols
Write a note on SN1 and SN2 reactions and describe factors affective it.
What are the different ways to define of acid and bases Add a note on factors affecting it.
Write a note on Saytzeff's rule and Hoffmann rule with suitable example.
Other Question Papers
Subjects
- anatomy, physiology and health education – i
- anatomy, physiology and health education – ii
- biochemistry
- biochemistry – i
- biochemistry – ii
- biopharmaceutics
- biotechnology
- clinical pharmacology
- herbal technology
- human anatomy and physiology – i
- human anatomy and physiology – ii
- medicinal chemistry – i
- medicinal chemistry – ii
- medicinal chemistry – iv
- microbiology
- modern dispensing and hospital pharmacy
- novel drug delivery systems
- organic chemistry – i
- organic chemistry – ii
- organic chemistry – iii
- pathophysiology (new cbcs)
- pathophysiology and clinical biochemistry – i
- pathophysiology and clinical biochemistry – ii
- pharmaceutical analysis – i
- pharmaceutical analysis – ii
- pharmaceutical analysis – iv
- pharmaceutical analysis – v
- pharmaceutical analysis – vi
- pharmaceutical busines management
- pharmaceutical engineering
- pharmaceutical enginering
- pharmaceutical inorganic chemistry
- pharmaceutical jurisprudence
- pharmaceutical microbiology
- pharmaceutical organic chemistry – ii
- pharmaceutical organic chemistry –i
- pharmaceutics – i (new cbcs)
- pharmaceutics – i (old-cbcs pattern)
- pharmaceutics – ii
- pharmaceutics – iii
- pharmaceutics – iv
- pharmacognosy – i
- pharmacognosy – ii
- pharmacognosy – iii
- pharmacology – i (new) (cbcs pattern)
- pharmacology – ii
- pharmacology – ii (cgpa pattern)
- pharmacology – iv
- physical pharmaceutics – i
- physical pharmacy – i
- physical pharmacy – ii
- sterile dosage forms