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Chemistry
List of top Chemistry Questions
The average translational energy and the rms speed of molecules in a sample of oxygen gas at 300 K are
$6.21 \times 10^{-21}$
J and 484 m/s respectively. The corresponding values at 600 K are nearly (assuming ideal gas behaviour)
JEE Advanced - 1997
JEE Advanced
Chemistry
Spontaneity
During debromination of meso-2,3-dibromobutane, the major compound formed is
JEE Advanced - 1997
JEE Advanced
Chemistry
Haloalkanes and Haloarenes
(CH
$_3 )_3$
CMgCl on treatment with D
$_2O$
produces
JEE Advanced - 1997
JEE Advanced
Chemistry
Haloalkanes and Haloarenes
In Cannizzaro's reaction, the intermediate which is the best hydride donor is
JEE Advanced - 1997
JEE Advanced
Chemistry
Chemical Reactions
Which one of the following species is not a pseudo halide?
JEE Advanced - 1997
JEE Advanced
Chemistry
p -Block Elements
The standard reduction potentials of
$Cu^{2+} / Cu $
and
$Cu^{2+} / Cu^+$
are 0.337 V and 0.153 V respectively. The standard electrode potential of
$Cu^+ /Cu$
half-cell is
JEE Advanced - 1997
JEE Advanced
Chemistry
Electrochemistry
How many optically active stereoisomers are possible for butane-2, 3-diol ?
JEE Advanced - 1997
JEE Advanced
Chemistry
Isomerism
When cyclohexane is poured on water, it floats because
JEE Advanced - 1997
JEE Advanced
Chemistry
Hydrocarbons
Which of the following compounds is expected to be coloured?
JEE Advanced - 1997
JEE Advanced
Chemistry
d block elements
Ammonium dichromate is used in some fireworks. The green coloured powder blown in the air is
JEE Advanced - 1997
JEE Advanced
Chemistry
d block elements
Which of the following is not a water soluble vitamin?
JIPMER - 1997
JIPMER
Chemistry
Vitamins
Which of the following is not a periodic property?
JIPMER - 1997
JIPMER
Chemistry
trends in periodic table
What is the product when, phenol reacts with diazomethane?
JIPMER - 1997
JIPMER
Chemistry
Phenols
What is the normality of 0.30 M
$ {{H}_{3}}P{{O}_{4}} $
(a tribasic acid) in the following reaction?
$ {{H}_{3}}P{{O}_{4}}+2O{{H}^{-}}\xrightarrow{{}}HPO_{4}^{--}+2{{H}_{2}}O $
JIPMER - 1997
JIPMER
Chemistry
Mole concept and Molar Masses
The Tyndall effect, associated with colloidal particle is due to:
JIPMER - 1997
JIPMER
Chemistry
Colligative Properties
The iron-carbonate ore is:
JIPMER - 1997
JIPMER
Chemistry
Concentration of ores
The inversion temperature for a van der Waals gas is given by:
JIPMER - 1997
JIPMER
Chemistry
Van Der Waals equation
The compound with the smell of peppermint, is:
JIPMER - 1997
JIPMER
Chemistry
Chemical Reactions
The chemical name for grain alcohol is:
JIPMER - 1997
JIPMER
Chemistry
Alcohols
The alloy of copper, which does not contain zinc is:
JIPMER - 1997
JIPMER
Chemistry
Some Applications of d- and f-Block Elements
Ratio of radius of atom to that of nucleus is of the order of:
JIPMER - 1997
JIPMER
Chemistry
Structure of atom
Heavy water is obtained:
JIPMER - 1997
JIPMER
Chemistry
heavy water
Conversion of n-hexane to benzene, in the presence of chromic acid, is called:
JIPMER - 1997
JIPMER
Chemistry
Aromatic Hydrocarbon
The equivalent weight of Mohrs salt is:
JIPMER - 1997
JIPMER
Chemistry
Importance and Applications of Coordination Compounds
When the same amount of Al is treated with an excess of
$ HCl $
and
$ NaOH $
, the volumes of hydrogen evolved are in the ratio of:
JIPMER - 1997
JIPMER
Chemistry
Group 13 Elements
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