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Chemistry
List of top Chemistry Questions
When nitrobenzene is treated with
$Br_2$
in the presence of
$FeBr_3$
the major product formed is m-bromonitrobenzene. Statements which are related to obtain the m-isomer, are
IIT JEE - 1992
IIT JEE
Chemistry
Isomerism
Arsenic drugs are mainly used in the treatment of
AIIMS - 1992
AIIMS
Chemistry
Chemistry in Everyday Life
Which of the following compounds gives characteristic deep colour with
$FeCl_3$
solution ?
AIPMT - 1992
AIPMT
Chemistry
Alcohols, Phenols and Ethers
2-methyl-2-butene will be represented as
AIPMT - 1992
AIPMT
Chemistry
Organic Chemistry - Some Basic Principles and Techniques
Absolute ethyl alcohol can be converted to diethyl ether by heating it to 410 K in the presence of
BHU UET - 1992
BHU UET
Chemistry
Alcohols, Phenols and Ethers
$C_3H_9N$
cannot represent
BHU UET - 1992
BHU UET
Chemistry
Amines
Which of the following does not characterise X-rays ?
JEE Advanced - 1992
JEE Advanced
Chemistry
Structure of atom
Isomers which can be interconverted through rotation around a single bond are
JEE Advanced - 1992
JEE Advanced
Chemistry
Isomerism
The products of combustion of an aliphatic thiol (RSH) at 298 K are
JEE Advanced - 1992
JEE Advanced
Chemistry
Phenols
Hydrogenation of benzoyl chloride in presence of
$Pd$
on
$BaSO_{4}$
gives
JEE Advanced - 1992
JEE Advanced
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Which of the following have identical bond order?
JEE Advanced - 1992
JEE Advanced
Chemistry
Bond Parameters
The type of hybrid orbitals used by the chlorine atom in
$ClO_2^-$
is
JEE Advanced - 1992
JEE Advanced
Chemistry
Chlorine
The conductivity of strong electrolyte
KCET - 1992
KCET
Chemistry
Conductance
The maximum number of electrons, present in an orbit that is represented by azimuthal quantum number
$(l)=3$
, will be
NEET (UG) - 1991
NEET (UG)
Chemistry
Structure of atom
Which of the following aqueous solution has minimum freezing point?
NEET (UG) - 1991
NEET (UG)
Chemistry
Solutions
The basic unit of nucleic acid is
NEET (UG) - 1991
NEET (UG)
Chemistry
Nucleic Acids
The correct order of decreasing polarisability of the ions is
NEET (UG) - 1991
NEET (UG)
Chemistry
Polarity of bonds
The bleaching action of chlorine is due to
NEET (UG) - 1991
NEET (UG)
Chemistry
Chlorine
$PCl_3$
reacts with water to form
NEET (UG) - 1991
NEET (UG)
Chemistry
p -Block Elements
Cinnabar is an ore of
NEET (UG) - 1991
NEET (UG)
Chemistry
d -and f -Block Elements
In a given atom no two electrons can have the same values of all the four quantum numbers. This is called
NEET (UG) - 1991
NEET (UG)
Chemistry
Structure of atom
Aqueous solution of acetic acid contains
NEET (UG) - 1991
NEET (UG)
Chemistry
Equilibrium
An
$sp^3$
hybrid orbital contains
NEET (UG) - 1991
NEET (UG)
Chemistry
Organic Chemistry - Some Basic Principles and Techniques
In sodium fusion test of organic compounds, the nitrogen of the organic compound is converted into
NEET (UG) - 1991
NEET (UG)
Chemistry
Organic Chemistry - Some Basic Principles and Techniques
A
$5$
molar solution of
$H_2SO_4$
is diluted from 1 litre to a volume of 10 litres, the normality of the solution will be
NEET (UG) - 1991
NEET (UG)
Chemistry
Some basic concepts of chemistry
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