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Chemistry
List of top Chemistry Questions
The metal that crystallises in simple cubic system is
VITEEE - 2006
VITEEE
Chemistry
Unit Cells
The hydrogen ion concentration of a $ 10^{-8}M HCl $ aqueous solution at 298 K $ ( K_w = 10^{-14} ) $ is :-
NEET (UG) - 2006
NEET (UG)
Chemistry
Equilibrium
The appearance of colour in solid alkali metal halides is generally due to :
NEET (UG) - 2006
NEET (UG)
Chemistry
The solid state
Insulin regulates the metabolism of
KCET - 2006
KCET
Chemistry
Biomolecules
Which of the following has the highest bond order ?
KCET - 2006
KCET
Chemistry
Chemical bonding and molecular structure
Maximum number of hydrogen bonding is in :
Haryana PMT - 2006
Haryana PMT
Chemistry
Hydrogen Bonding
The enthalpy and entropy change for the reaction : $ {Br2(\ell) + Cl2(g) -> 2BrCl(g)}$ are $30 \,kJmol^{-1}$ and $105\,JK^{-1} mol^{-1}$ respectively. The temperature at which the reaction will be in equilibrium is :
NEET (UG) - 2006
NEET (UG)
Chemistry
Thermodynamics
Which of the following species has a linear shape?
NEET (UG) - 2006
NEET (UG)
Chemistry
Chemical bonding and molecular structure
Given, the mass of electron is
$9.11 \times 10^{-31}\, kg$
, Planck's constant is
$6.626 \times 10^{-34}\, Js$
, the uncertainty involved in the measurement of velocity within a distance of
$0.1 \mathring{A}$
is
NEET (UG) - 2006
NEET (UG)
Chemistry
Structure of atom
Which of the following is not an ore of magnesium?
KCET - 2006
KCET
Chemistry
Concentration of ores
Acrolein test is positive for:
KCET
KCET - 2006
Chemistry
Biomolecules
At
$pH = 4$
glycine exists as
KCET - 2006
KCET
Chemistry
Biomolecules
$\Delta G ^ \circ \,Vs\, T$
plot in the Ellingham's diagram slopes downwards for the reaction
KCET - 2006
KCET
Chemistry
General Principles and Processes of Isolation of Elements
Which of the following reaction taking place in the Blast furnace is endothermic ?
KCET - 2006
KCET
Chemistry
General Principles and Processes of Isolation of Elements
In the conversion of
$Br_2$
to
$BrO^-_3 $
, the oxidation number of
$Br$
changes from
KCET - 2006
KCET
Chemistry
Redox reactions
Which of the following is not an ore of magnesium?
KCET - 2006
KCET
Chemistry
General Principles and Processes of Isolation of Elements
Which of the following can participate in linkage isomerism ?
KCET - 2006
KCET
Chemistry
coordination compounds
Which of the following represents the Lewis structure of
$N_2$
molecule ?
KCET - 2006
KCET
Chemistry
Chemical bonding and molecular structure
The formation of
$ O^{+}_2 [P_t F_6 ]^-$
is the basis for the formation of Xenon fluorides. This is because
KCET - 2006
KCET
Chemistry
p -Block Elements
When a quantity of electricity is passed through
$CuSO_4$
solution,
$0.16\, g$
of Copper gets deposited. If the same quantity of electricity is passed through acidulated water, then the volume of
$H_2$
liberated at
$STP$
will be [Given
$At. Wt. Cu = 64$
]
KCET - 2006
KCET
Chemistry
Electrochemistry
Which of the following does not conduct electricity ?
KCET - 2006
KCET
Chemistry
Electrochemistry
Identify the product for the following reaction
VITEEE - 2006
VITEEE
Chemistry
Alcohols
How many lattice points belong to a face centered cubic unit cell?
VITEEE - 2006
VITEEE
Chemistry
Unit Cells
$Cr$
is member of
$3d$
transition series of atomic number
$24$
. What will be its electronic configuration?
JIPMER - 2006
JIPMER
Chemistry
Structure of atom
Anilinium chloride is more acidic than ammonium chloride. Anilinium chloride is resonance stabilised.
AIIMS - 2006
AIIMS
Chemistry
Organic Chemistry - Some Basic Principles and Techniques
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