>
Chemistry
List of top Chemistry Questions
The compounds formed at anode in the electrolysis of an aqueous solution of potassium acetate are
UP CPMT - 2008
UP CPMT
Chemistry
Chemical Reactions
tert-butyl methyl ether on heating with anhydrous
$HI$
in ether gives
Manipal - 2008
Manipal
Chemistry
Ethers
Which of the following represents total kineticenergy of one mole of the gas
OJEE - 2008
OJEE
Chemistry
Ideal gas equation
Rate of a reaction can be expressed by Arrhenius equation as :
$K=Ae^{-E/RT}$
In this equation, E represents :
AIEEE - 2008
AIEEE
Chemistry
Rate of a Chemical Reaction
Percentage of free space in body centred cubic (bcc) unit cell is
AIPMT - 2008
AIPMT
Chemistry
packing efficiency
Of the isomeric hexanes, the isomers that give the minimum and maximum number of monochloro derivatives are respectively
KEAM - 2008
KEAM
Chemistry
Alkanes
Morphine obtained from opium is
BHU - 2008
BHU
Chemistry
analgesics
Methanol and ethanol are miscible in water due to
JIPMER - 2008
JIPMER
Chemistry
Hydrogen Bonding
Total volume of atoms present in a face centred cubic unit cell of a metal is (
$r$
is atomic radius)
JIPMER - 2008
JIPMER
Chemistry
packing efficiency
The change in entropy for the fusion of
$1$
mole of ice is [mp of ice =
$273\, K$
, molar enthalpy of fusion for ice
$ = 6.0\,kJ\,mol^{-1} $
]
JIPMER - 2008
JIPMER
Chemistry
Spontaneity
Methanol and ethanol are miscible in water due to
JIPMER - 2008
JIPMER
Chemistry
Hydrogen Bonding
Metals have
J & K CET - 2008
J & K CET
Chemistry
Occurrence Of Metals
Mercury is a liquid metal because
KCET - 2008
KCET
Chemistry
Occurrence Of Metals
Hydrolysis of
$NCl _{3}$
gives
$NH _{3}$
and
$X$
. Which of the following is
$X$
?
AFMC - 2008
AFMC
Chemistry
Chlorine
Identify the reaction for which
$\Delta H\ne \Delta E.$
AFMC - 2008
AFMC
Chemistry
Thermodynamics terms
Which of the following compounds when heated with
$CO$
at
$150^{\circ} C$
and
$500$
atm pressure in presence of
$BF _{3}$
forms ethyl propionate ?
AFMC - 2008
AFMC
Chemistry
Aldehydes, Ketones and Carboxylic Acids
What is the correct order of occurrence (
$\%$
by weight) in air of
$Ne , Ar$
and
$Kr$
?
AFMC - 2008
AFMC
Chemistry
Group 18 Elements
When acetaldehyde is heated with Fehling solution, a red precipitate is formed. Which of the following is that?
AFMC - 2008
AFMC
Chemistry
Chemical Reactions
Which of the products is formed when acetone is reacted with barium hydroxide solution?
AFMC - 2008
AFMC
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Which of the following is added to chloroform to slow down its aerial oxidation in presence of light?
AFMC - 2008
AFMC
Chemistry
Methods of Preparation of Haloalkanes
A solution of an acid has
$\left[ H ^{+}\right]=2 \times 10^{-5}$
. Find out the concentration of
$OH ^{-}$
ions.
AFMC - 2008
AFMC
Chemistry
Acids and Bases
From Williamson's synthesis preparation of which of the following is possible?
AFMC - 2008
AFMC
Chemistry
Alcohols, Phenols and Ethers
The disperse phase, dispersion medium and nature of colloidal solution (lyophilic or lyophobic) of 'gold sol' respectively, are
AFMC - 2008
AFMC
Chemistry
Colloids
$ t- $
butyl chloride preferably undergo hydrolysis by
Rajasthan PMT - 2008
Rajasthan PMT
Chemistry
Methods of Preparation of Haloalkanes
What is the equation for the equilibrium constant
$ ({{K}_{c}}) $
for the following reaction?
$ \frac{1}{2}A(g)+\frac{1}{3}B(g)\frac{2}{3}C(g) $
Rajasthan PMT - 2008
Rajasthan PMT
Chemistry
Law Of Chemical Equilibrium And Equilibrium Constant
Prev
1
...
820
821
822
823
824
...
1143
Next