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Chemistry
List of top Chemistry Questions asked in COMEDK UGET
25 mL of 0.08 N Mohr's salt solution is oxidised by 20 mL of
$K_2Cr_2O_7$
in acidic medium. The mass of Mohr's salt present in 500 cc is
COMEDK UGET - 2009
COMEDK UGET
Chemistry
Some basic concepts of chemistry
$ {NO^+}$ ligand is
COMEDK UGET - 2009
COMEDK UGET
Chemistry
coordination compounds
In the reaction,
$ {PCl_{3(g)} + Cl_{2(g)} <=> PCl_{5(g)}}$
at equilibrium
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Equilibrium
Buffer capacity of a buffer will be maximum when
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Equilibrium
Which one of the following forms an alcohol with nitrous acid?
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Amines
Which one of the following forms a green solid with nitrous acid?
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Amines
Dissociation constant of a weak acid is
$10^{-5}$
. The pH of 0.1 M solution of this acid is
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Equilibrium
Which one of the following has maximum magnetic moment?
COMEDK UGET - 2008
COMEDK UGET
Chemistry
d -and f -Block Elements
Nitrogen is obtained by heating
COMEDK UGET - 2008
COMEDK UGET
Chemistry
p -Block Elements
Cryoscopic constant is the depression in the freezing point produced by
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Solutions
The Ostwald's dilution law is obeyed by
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Electrochemistry
Which one of the following forms oleum when dissolved in cone
$ {H_2SO_4}$
?
COMEDK UGET - 2008
COMEDK UGET
Chemistry
p -Block Elements
The EMF of a cell containing sodium/copper electrodes is 3.05 V. If the electrode potential of copper electrode is + 0.34 V the electrode potential of sodium is
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Electrochemistry
Iodine value is used to determine
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Hydrocarbons
$+I$
effectis exhibited by
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Organic Chemistry - Some Basic Principles and Techniques
Cuprammonium ion is having
COMEDK UGET - 2008
COMEDK UGET
Chemistry
coordination compounds
The adsorption of inert gases on the surface of activated charcoal increases with
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Surface Chemistry
In an open system
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Thermodynamics
Mass of acetic acid required to neutralize 100 cc of 0.1 N NaOH solution is
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Some basic concepts of chemistry
When
$OH^{-}$
ion concentration of a solution increases, its
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Equilibrium
In the decarboxylation of carboxylic acid the reagent used is
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Aldehydes, Ketones and Carboxylic Acids
Heat of neutralization of any strong acid and strong base is always constant and
$\Delta H= -57.3 \, kJ$
. This is because
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Thermodynamics
Helium molecule is monoatomic because
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Chemical bonding and molecular structure
For
$O_2$
molecule, molecular orbitals having lowest energy is
COMEDK UGET - 2008
COMEDK UGET
Chemistry
Chemical bonding and molecular structure
5 g of
$CaCO_3$
completely reacts with
COMEDK UGET - 2007
COMEDK UGET
Chemistry
Some basic concepts of chemistry
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