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Chemistry
List of top Chemistry Questions
An alkene having molecular formula
$C_8H_{12}$
on ozonolysis yields glyoxal and 2, 2-dimethyl butane-1, 4-dial. The structure of alkene is
VITEEE - 2011
VITEEE
Chemistry
Alkenes
By what factor does the average velocity of a gaseous molecule increase when the temperature (in kelvin) is doubled?
NEET (UG) - 2011
NEET (UG)
Chemistry
States of matter
The amount of heat evolved when
$500 \, cm^3$
of
$0.1 \, M \, HCl$
is mixed with
$200\,cm^3$
of
$0.2 \, M \, NaOH$
is
KCET - 2011
KCET
Chemistry
Thermodynamics
Which of the following elements is present as the impurity to the maximum extent in the pig iron?
NEET (UG) - 2011
NEET (UG)
Chemistry
General Principles and Processes of Isolation of Elements
Phenol can be converted to o-hydroxybenzaldehyde by
KEAM - 2011
KEAM
Chemistry
Alcohols, Phenols and Ethers
When 'blue vitriol' is heated at
$373 \,K$
, the product formed is
JKCET - 2011
JKCET
Chemistry
d block elements
Which one among the following is most reactive towards electrophilic substitution reaction?
JKCET - 2011
JKCET
Chemistry
Hydrocarbons
In a volumetric experiment, it was found that a solution of
$KMnO _{4}$
is reduced to
$MnSO _{4}$
. If the normality of the solution is
$1.0\, N$
, then the molarity of the solution will be
JKCET - 2011
JKCET
Chemistry
Some basic concepts of chemistry
Chloroform on heating with silver powder gives
JKCET - 2011
JKCET
Chemistry
Haloalkanes and Haloarenes
The lanthanide element that has the electronic configuration,
$ [Xe]4f^{7}5d^{1}6s^{2} $
is
JKCET - 2011
JKCET
Chemistry
The Lanthanoids
Which one of the following is a secondary amine?
JKCET - 2011
JKCET
Chemistry
Amines
In a reaction
$ 2A+B\to A_{2}B, $
the reactant
$B$
will disappear at
JKCET - 2011
JKCET
Chemistry
Chemical Kinetics
The alloy of copper that contains zinc is
JKCET - 2011
JKCET
Chemistry
Some Applications of d- and f-Block Elements
In zinc blende structure, the coordination number of the cation is
JKCET - 2011
JKCET
Chemistry
The solid state
In which of the following compounds, carbon exhibits a valency of
$4$
but oxidation state
$-2$
?
JKCET - 2011
JKCET
Chemistry
Redox reactions
Which one of the following amines cannot be prepared by Gabriel's synthesis?
JKCET - 2011
JKCET
Chemistry
Amines
When a solution containing non-volatile solute is diluted with water
JKCET - 2011
JKCET
Chemistry
Solutions
Which of the following compound is chiral?
JKCET - 2011
JKCET
Chemistry
Phenols
The van't Hoff factor
$i$
for a dilute aqueous solution of sucrose is
JKCET - 2011
JKCET
Chemistry
Colligative Properties
Which of the following is a correct name according to IUPAC rules?
JKCET - 2011
JKCET
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Which of the following is the largest is size?
JKCET - 2011
JKCET
Chemistry
Classification
The $S.I$ unit of activity of a radioactive sample is
JKCET - 2011
JKCET
Chemistry
Chemical Kinetics
Phenol on heating with alcoholic $KOH$ and chloroform - undergoes
JKCET - 2011
JKCET
Chemistry
Alcohols, Phenols and Ethers
Freundlich adsorption isotherm equation is
JKCET - 2011
JKCET
Chemistry
Surface Chemistry
The correct order of reducing character of alkali metals is
JKCET - 2011
JKCET
Chemistry
GROUP 1 ELEMENTS
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