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GPAT
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Organic Chemistry
List of top Organic Chemistry Questions asked in GPAT
HEPA filters are defined as A or more efficient in removing, from the air, B particles generated by vaporization of the hydrocarbon Emory 3004.
GPAT - 2021
GPAT
Organic Chemistry
Polycyclic aromatic hydrocarbons
Amine group protection during peptide synthesis can be accomplished by converting the amine to
GPAT - 2021
GPAT
Organic Chemistry
Amino Acids
The total number of possible stereoisomers for 3-bromo-2-butanol are
GPAT - 2021
GPAT
Organic Chemistry
Stereochemistry
This Compound 2,5,8,11,14,17,20,23,26-nona-oxaoctacosan-28-yl p-(butylamino) benzoate is usually known for its activity?
GPAT - 2021
GPAT
Organic Chemistry
Amino Acids
For 1,3-butadiene, there are ____ molecular orbitals for п electrons
GPAT - 2021
GPAT
Organic Chemistry
Pericyclic reactions
Match the types of terpenes under column I with their respective examples under Column II
Column I
Types of terpenes
Column II
Examples
A
Monoterpenes
I
Lycopene
B
Diterpenes
II
Camphor
C
Sesquiterpenes
III
Taxol
D
Tetraterpenes
IV
Zingiberene
Choose the correct answer from the options given below :
GPAT - 2021
GPAT
Organic Chemistry
Stereochemistry
All the following can determine the protein structure except
GPAT - 2021
GPAT
Organic Chemistry
Amino Acids
Four-membered fully saturated heterocycle containing one oxygen is called
GPAT - 2021
GPAT
Organic Chemistry
Heterocyclic Chemistry
Glucose upon treatment with nitric acid yields
GPAT - 2021
GPAT
Organic Chemistry
Carbohydrates
The effect of activation or deactivation of an incoming functional group to an aromatic compound is strongest at
GPAT - 2021
GPAT
Organic Chemistry
Aromaticity & chemistry of aromatic compounds
The dehydration of aldol product of two acetaldehyde molecules through Elcb mechanism affords formation of
GPAT - 2021
GPAT
Organic Chemistry
Different classes of compounds
An epoxy ring can be prepared by
GPAT - 2021
GPAT
Organic Chemistry
Polycyclic aromatic hydrocarbons
The hydrogen deficiency index for a compound with molecular formula
\(C_{13}H_9N_2O_4BrS\)
is
GPAT - 2021
GPAT
Organic Chemistry
Organic Chemistry- Some Basic Principles and Techniques
One of the following functional group makes benzoic acid weaker
GPAT - 2021
GPAT
Organic Chemistry
Protection & deprotection of groups
Formaldehyde undergoes Grignard reaction to give
GPAT - 2021
GPAT
Organic Chemistry
Different classes of compounds
The heterocyclic nucleus present in nitrofurantoin are:
GPAT - 2020
GPAT
Organic Chemistry
Heterocyclic Chemistry
The Crystal form of Sulphacetamide is
GPAT - 2020
GPAT
Organic Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Antifungal agent 5-fluorocytosine is converted to its active metabolite 5-fluorouracil by one of the following fungal enzyme :
GPAT - 2020
GPAT
Organic Chemistry
Organic Chemistry- Some Basic Principles and Techniques
An aldopentose can be converted into aldohexose by:
GPAT - 2020
GPAT
Organic Chemistry
Organic Chemistry- Some Basic Principles and Techniques
The weakly acidic nature of warfarin is attributed to the presence of:
GPAT - 2020
GPAT
Organic Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Which of the following is Anti aromatic?
GPAT - 2020
GPAT
Organic Chemistry
Aromaticity & chemistry of aromatic compounds
Walden inversion or complete reversal of stereochemistry occurs in one of the following substitution reaction
GPAT - 2020
GPAT
Organic Chemistry
Stereochemistry
What is the product of the following reaction?
GPAT - 2020
GPAT
Organic Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Product of the following reaction:
GPAT - 2020
GPAT
Organic Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Following amino acid does not exhibit optical isomerism:
GPAT - 2020
GPAT
Organic Chemistry
Stereochemistry
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