Exam Details
| Subject | organic chemistry – ii | |
| Paper | ||
| Exam / Course | b. pharmacy | |
| Department | ||
| Organization | solapur university | |
| Position | ||
| Exam Date | November, 2017 | |
| City, State | andhra pradesh, solapur |
Question Paper
B.Pharm. (Semester III) (New-CBCS) Examination, 2017
ORGANIC CHEMISTRY II
Day and Date Monday, 4-12-2007 Max. Marks 70
Time 3.00 p.m. to 6.00 p.m.
I. Multiple Choice Questions (1×15=15)
Carbonyl carbon of analdehyde yields addition products easily because of
factors.
Electronic Steric Both Neither
A five membered heterocycle with two nitrogens at 1 and 3 position in the
ring is called
Pyrazole Indole Imidazole Diazine
Least acidic among the following
RCOOH Cl CH2 COOH
ClCH2CH2COOH O2NCH2COOH
Nucleophilic substitution reaction is seen with
Aldehydes Benzene Ketones None
Common approach used for increasing solubility of aromatic carboxylic acids
Esterification Salt formation
Oxidation Amide formation
Thermodynamically controlled reactions yield products at
temperature.
Any Low Room temp. High
Trialkyl amine on treatment with a base yields
Amine Alcohol Alkene None
Resonance energy of Naphthalene is than/to Benzene.
Higher Equal Lesser None
Dicobaltocta carbonyl is a reagent used in preparing
Phenols Aldehydes Amines None
10) A phenol is highly acidic. Its pKa value would be
>15
11) Chemoselective reducing agent of aldehydes to alcohols is
NaBH4 H2/Pd LiAIH4 None
12) Choose correct reagent and condition for completing the following reaction.
HNO3, H2SO4 HNO3, H2SO4, reflux
HNO3, H2SO4, O°C None
13) Halogenation of pyrrole with Br2/AcOH yields pyrrole.
Mono-substituted Di-substituted
Un-substituted Tetra-substituted
14) In Ar-COOH, -COOH group directs the incoming group to position.
Ortho Meta
Ortho and para Para
15) Diazotization reaction is more useful in preparing derivatives of
aryl compounds.
-Cl -NO2
II. Answer any five questions from the following
Write the laboratory methods of preparation of phenanthrene.
Discuss the chemical properties of amines.
Discuss five important reactions of aldehydes.
Write five preparation methods of phenols.
Compare the electrophilic substitution reactions of indole and pyrrole.
Describe how existence of "resonance" in Benzene proved.
III. Answer any three questions from the following (10×3=30)
Explain in detail
Haloform reaction
Mannich reaction.
Describe how the phenomenon of aromaticity was established in benzene.
Write the methods of preparation of
Pyrimidine
Oxazole.
Reactions of thiazole. 5
How are amines separated by Hinsberg method Explain. 5
ORGANIC CHEMISTRY II
Day and Date Monday, 4-12-2007 Max. Marks 70
Time 3.00 p.m. to 6.00 p.m.
I. Multiple Choice Questions (1×15=15)
Carbonyl carbon of analdehyde yields addition products easily because of
factors.
Electronic Steric Both Neither
A five membered heterocycle with two nitrogens at 1 and 3 position in the
ring is called
Pyrazole Indole Imidazole Diazine
Least acidic among the following
RCOOH Cl CH2 COOH
ClCH2CH2COOH O2NCH2COOH
Nucleophilic substitution reaction is seen with
Aldehydes Benzene Ketones None
Common approach used for increasing solubility of aromatic carboxylic acids
Esterification Salt formation
Oxidation Amide formation
Thermodynamically controlled reactions yield products at
temperature.
Any Low Room temp. High
Trialkyl amine on treatment with a base yields
Amine Alcohol Alkene None
Resonance energy of Naphthalene is than/to Benzene.
Higher Equal Lesser None
Dicobaltocta carbonyl is a reagent used in preparing
Phenols Aldehydes Amines None
10) A phenol is highly acidic. Its pKa value would be
>15
11) Chemoselective reducing agent of aldehydes to alcohols is
NaBH4 H2/Pd LiAIH4 None
12) Choose correct reagent and condition for completing the following reaction.
HNO3, H2SO4 HNO3, H2SO4, reflux
HNO3, H2SO4, O°C None
13) Halogenation of pyrrole with Br2/AcOH yields pyrrole.
Mono-substituted Di-substituted
Un-substituted Tetra-substituted
14) In Ar-COOH, -COOH group directs the incoming group to position.
Ortho Meta
Ortho and para Para
15) Diazotization reaction is more useful in preparing derivatives of
aryl compounds.
-Cl -NO2
II. Answer any five questions from the following
Write the laboratory methods of preparation of phenanthrene.
Discuss the chemical properties of amines.
Discuss five important reactions of aldehydes.
Write five preparation methods of phenols.
Compare the electrophilic substitution reactions of indole and pyrrole.
Describe how existence of "resonance" in Benzene proved.
III. Answer any three questions from the following (10×3=30)
Explain in detail
Haloform reaction
Mannich reaction.
Describe how the phenomenon of aromaticity was established in benzene.
Write the methods of preparation of
Pyrimidine
Oxazole.
Reactions of thiazole. 5
How are amines separated by Hinsberg method Explain. 5
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