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Chemistry
List of top Chemistry Questions asked in JKCET
$IUPAC$
name of the complex
$K_{3}\left[A l\left(C_{2} O_{4}\right)_{3}\right]$
is
JKCET - 2010
JKCET
Chemistry
coordination compounds
Dual behaviour of matter was proposed by
JKCET - 2010
JKCET
Chemistry
Structure of atom
Why do most chemical reaction rates increases rapidly as the temperature rises?
JKCET - 2010
JKCET
Chemistry
Chemical Kinetics
Compound that has smell of bitter almonds is
JKCET - 2010
JKCET
Chemistry
Amines
Ethyl alcohol cannot be used as a solvent for methyl magnesium iodide because
JKCET - 2010
JKCET
Chemistry
Phenols
18 g of glucose
$(C_6H_{12}O_6)$
is added to 178.2 g of water. The vapour pressure of water for this aqueous solution at 100
$^\circ$
C
JKCET - 2010
JKCET
Chemistry
Solutions
Identify the substance whose
$0.1\, M$
solution is basic?
JKCET - 2010
JKCET
Chemistry
Equilibrium
To an equilibrium mixture of
$2 SO _{2(g)}+ O _{2(g)} \rightleftharpoons 2 SO _{3(g)}$
some helium, an inert gas, is added at constant volume. The addition of helium causes the total pressure to double, which of the following is true?
JKCET - 2010
JKCET
Chemistry
Equilibrium
What will be the resultant
$pH$
when
$200\, mL$
of, an aqueous solution of
$HCl(p H=2.0)$
is mixed with
$300\, mL$
of an aqueous solution of
$NaOH (pH=12)$
?
JKCET - 2010
JKCET
Chemistry
Equilibrium
The vapour pressure of pure liquid solvent is
$0.80\, atm$
. When a non-volatile substance
$B$
is added to the solvent, its vapour pressure drops to
$0.6\, atm$
. What is the mole fraction of component
$B$
in this solution?
JKCET - 2010
JKCET
Chemistry
Solutions
$36\, g$
of glucose (molar mass
$ =180\,g/mol $
) if present in
$500\,g$
of water, the molality of the solution is
JKCET - 2010
JKCET
Chemistry
Solutions
For the reaction,
$N_{2}(g)+3 H_{2}(g) \rightleftharpoons 2 N H_{3}(g)$
at
$400\, K,\, K_{p}=41 .$
Find the value for the following reaction,
$\frac{1}{2} N _{2}(g)+\frac{3}{2} H _{2}(g) \rightleftharpoons NH _{3}(g)$
JKCET - 2010
JKCET
Chemistry
Equilibrium
The
$ 'd' $
orbital involved in the hybridisation in the
$ PCl_{5} $
molecule is
JKCET - 2009
JKCET
Chemistry
Hybridisation
Which one of the following is strongest Lewis acid ?
JKCET - 2009
JKCET
Chemistry
p -Block Elements
The percentage of carbon in cast iron is
JKCET - 2009
JKCET
Chemistry
Mole concept and Molar Masses
The molar mass of the solute sodium hydroxide obtained from the measurement of the osmotic pressure of its aqueous solution at
$27^{\circ} C$
is
$25 \,g \,mol ^{-1}$
. Therefore, its ionization percentage in this solution is
JKCET - 2009
JKCET
Chemistry
Colligative Properties
Which one of the following molecules is paramagnetic?
JKCET - 2009
JKCET
Chemistry
Chemical bonding and molecular structure
The most acidic among the following is
JKCET - 2009
JKCET
Chemistry
Chemical Reactions
Which one of the following does not form sodium bisulphite addition product with sodium bisulphite solution?
JKCET - 2009
JKCET
Chemistry
Aldehydes, Ketones and Carboxylic Acids
The auto reduction process is not used in the metallurgy of
JKCET - 2009
JKCET
Chemistry
Concentration of ores
The oxidation numbers of the sulphur atoms in peroxomonosulphuric acid
$ (H_{2}SO_{5}) $
and peroxodisulphuric acid
$ (H_{2}S_{2}O_{8}) $
are respectively
JKCET - 2009
JKCET
Chemistry
Oxidation Number
Which one of the following is
\(d\)
block element?
JKCET - 2009
JKCET
Chemistry
d block elements
If the ratio of the rates of diffusion of two gases
$A$
and
$B$
is
$4 : 1$
, the ratio of their densities in the same order is
JKCET - 2009
JKCET
Chemistry
States of matter
Which of the following has maximum laevorotatory nature ?
JKCET - 2009
JKCET
Chemistry
Biomolecules
The composition of bell metal is
JKCET - 2009
JKCET
Chemistry
properties of d block elements
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