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Graduate Pharmacy Aptitude Test
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Organic Chemistry
List of top Organic Chemistry Questions asked in Graduate Pharmacy Aptitude Test
Which functional group is present in the molecule shown below
GPAT - 2017
GPAT
Organic Chemistry
carbonyl compounds
The major differences between the prokaryotic and eukaryotic protein synthesis mechanisms are in which part of the process
GPAT - 2017
GPAT
Organic Chemistry
Amino Acids
The compound 2 - (Diethylamino) ethyl [bicyclohexyl]- 1-carboxylate hydrochloride is
GPAT - 2017
GPAT
Organic Chemistry
Heterocyclic Chemistry
In the reaction of 2-nitrotoluene with bromine in presence of iron, which of the product shownbelow is the most abundant (major) product
GPAT - 2017
GPAT
Organic Chemistry
Aromaticity & chemistry of aromatic compounds
Which of the following reagents will reduce a disubstituted alkyne to trans-alkene
GPAT - 2017
GPAT
Organic Chemistry
Stereochemistry
In a free radical reaction, free radicals are formed at
GPAT - 2017
GPAT
Organic Chemistry
Pericyclic reactions
Which of the reactive oxygen species is most dangerous to cells
GPAT - 2016
GPAT
Organic Chemistry
Protection & deprotection of groups
Toluene is converted of which compound in presence of CrO3 with acetic anhydride
GPAT - 2016
GPAT
Organic Chemistry
carbonyl compounds
The IUPAC name, 4-Amino-N(5,6-dimethoxy-4-pyrimidinly) benzenseulfonamide belong to which generic drug
GPAT - 2016
GPAT
Organic Chemistry
Heterocyclic Chemistry
Methyl ether of erythromycin is..............
GPAT - 2016
GPAT
Organic Chemistry
Different aromatic classes of compounds
The starting materials for synthesis of sulfamethoxazole are
GPAT - 2016
GPAT
Organic Chemistry
carbonyl compounds
Which of the following is an example of Diaz onium ion
GPAT - 2016
GPAT
Organic Chemistry
carbonyl compounds
Why acetyl chloride undergoes nucleophilic substitution at a faster rate than methyl acetate
GPAT - 2016
GPAT
Organic Chemistry
Aromaticity & chemistry of aromatic compounds
What is the Carr's index of good flow powder property
GPAT - 2016
GPAT
Organic Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Match the following plant product with their chemical class
(1)
b-amyrin
(P)
Alkaloid secondary alcohol
(2)
Sqaulene
(Q)
Alkaloid, phenol
(3)
Morphine
(R)
Triterpene, secondary alcohol
(4)
Ephedrine
(S)
Asyclic triterpene, polyene
GPAT - 2016
GPAT
Organic Chemistry
carbonyl compounds
How many fundamental svibrations can be expected for C
2
H
5
CL
GPAT - 2016
GPAT
Organic Chemistry
carbonyl compounds
The product of a Michael reaction of a ketone enolate to ana, b-unsaturated ketone is ..... And addition reaction occurs in a/an
GPAT - 2016
GPAT
Organic Chemistry
carbonyl compounds
Geometrical isomerism is possible in case of:
GPAT - 2015
GPAT
Organic Chemistry
Stereochemistry
Consider the reaction:
A
+
B
⇌
C
A+B \rightleftharpoons C
A
+
B
⇌
C
The unit of the thermodynamic equilibrium constant for the reaction is
GPAT - 2015
GPAT
Organic Chemistry
Kinetic & thermodynamic control
Identify the IUPAC of dexamethasone
GPAT - 2015
GPAT
Organic Chemistry
Stereochemistry
In which rearrangement reaction, Isocyanate is formed?
GPAT - 2015
GPAT
Organic Chemistry
Heterocyclic Chemistry
The given reaction in an example of
GPAT - 2015
GPAT
Organic Chemistry
carbonyl compounds
Quinoline contains two basic rings. One of the rings in quinolone. It is attached to second ring via o one carbon bridge. Which in the second ring
GPAT - 2015
GPAT
Organic Chemistry
Heterocyclic Chemistry
In pinacol - pinacolone rearrangement, the final product is ketone. What is the starting compound for the rearrangement
GPAT - 2015
GPAT
Organic Chemistry
carbonyl compounds
Rank the following compounds is order of increasing reactivity in electrophilic aromatic Substitution reactions
(P) C
6
H
6
(Q) C
6
H
5
CH
3
(R) C
6
H
5
NO
2
GPAT - 2014
GPAT
Organic Chemistry
Aromaticity & chemistry of aromatic compounds
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