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List of top Chemistry Questions asked in Manipal
The name of the complex
$ [Pt{{(N{{H}_{3}})}_{6}}]C{{l}_{4}} $
is
Manipal - 2010
Manipal
Chemistry
Nomenclature of Coordination Compounds
The concentration of
$ A{{g}^{+}} $
ion in a given saturated solution of
$ AgCl $
at
$ 25{}^\circ C $
is
$ 1.06\times {{10}^{-5}}g- $
ion per litre. Thus, the solubility product of
$ AgCl $
is
Manipal - 2010
Manipal
Chemistry
Solubility Equilibria Of Sparingly Soluble Salts
Oxidation number of
$N$
is
$ HN{{O}_{3}} $
is
Manipal - 2010
Manipal
Chemistry
Oxidation Number
Which of the following is optically active?
Manipal - 2010
Manipal
Chemistry
Haloalkanes and Haloarenes
Which of the following is paramagnetic with bond order
$0.5$
?
Manipal - 2010
Manipal
Chemistry
Chemical bonding and molecular structure
Which of the following statements is true for the electrochemical Daniell cell?
Manipal - 2010
Manipal
Chemistry
Redox reactions
van der Waals equation of state is obeyed by real gases. For
$ n $
moles of a real gas, the expression will be
Manipal - 2010
Manipal
Chemistry
States of matter
Insulin, a hormone, chemically is
Manipal - 2010
Manipal
Chemistry
Chemistry in Everyday Life
Electron affinity is maximum for
Manipal - 2010
Manipal
Chemistry
Classification of elements & periodicity in properties
Drying oil invariably contains
Manipal - 2010
Manipal
Chemistry
Biomolecules
The number of moles of
$ KMnO_{4}$
reduced by one mole of
$KI$
in alkaline medium is
Manipal - 2009
Manipal
Chemistry
d -and f -Block Elements
$BOH$
is a weak base. Molar concentration of, BOH that provides a
$ [OH^{-}]$
of
$1.5\times 10^{-3}M$
is
$[Kb(BOH)=1.5\times 10^{-5}]$
Manipal - 2009
Manipal
Chemistry
Equilibrium
The correct order of electron affinity of halogens is
Manipal - 2009
Manipal
Chemistry
Classification of elements & periodicity in properties
The IUPAC name of
$ K[Ag(CN)_{2}]$
is
Manipal - 2009
Manipal
Chemistry
Isomerism in Coordination Compounds
The acidic nature of carboxylic acids
$RCOOH \longrightarrow RCOO ^{-}+ H ^{+}$
is due to
Manipal - 2009
Manipal
Chemistry
uses of carboxylic acids
$t_{1 / 2}$
for a first order reaction is
$10\, \min$
. Starting with
$10\, M$
, the rate after
$20\, \min$
is
Manipal - 2009
Manipal
Chemistry
Rate of a Chemical Reaction
Sulphonation of phenol with conc.
$H _{2} SO _{4}$
at
$288-293\, K$
gives
Manipal - 2009
Manipal
Chemistry
Phenols
$NH_{3}$
has higher boiling point than expected because
Manipal - 2009
Manipal
Chemistry
Hydrogen Bonding
The standard emf of a cell involving one electron charge is found to be
$0.591\, V$
at
$25^{\circ} C$
. The equilibrium constant of the reaction is
$\left(1\, F =96500\, C\, mol ^{-1}, R=8.314\, J\, K ^{-1} mol ^{-1}\right)$
Manipal - 2009
Manipal
Chemistry
Nernst Equation
A buffer solution is used in
Manipal - 2009
Manipal
Chemistry
Buffer Solutions
When propionic acid is treated with aqueous sodium bicarbonate,
$ CO_{2}$
is liberated. The
$C$
of
$ CO_{2}$
comes from
Manipal - 2009
Manipal
Chemistry
Aldehydes, Ketones and Carboxylic Acids
When sucrose is heated with conc.
$ HNO_{3},$
the product formed is
Manipal - 2009
Manipal
Chemistry
Biomolecules
Oxidation number of
$S$
in
$ H_{2}S_{2}O_{8}$
is
Manipal - 2009
Manipal
Chemistry
Redox reactions
For the redox reaction,
$Zn + NO _{3}^{-} \longrightarrow Zn ^{2+}+ NH _{4}^{+}$
in basic medium, coefficients of
$Zn , NO _{3}^{-}$
, and
$OH ^{-}$
in the balanced equation respectively, are
Manipal - 2009
Manipal
Chemistry
Redox reactions
How many coulombs of electricity are required for reduction of
$1$
mole of
$ MnO_{4}^{-} $
to
$ Mn^{2+}$
?
Manipal - 2009
Manipal
Chemistry
Electrochemistry
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