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Chemistry
List of top Chemistry Questions
$ClF_3$
has T-shape structure. It has two lone pairs arranged at 180
$^{\circ}$
angle.
AIIMS - 2012
AIIMS
Chemistry
Chemical bonding and molecular structure
$BF_3$
molecule is planar but
$NF_3$
is pyramidal. N atom is smaller than B.
AIIMS - 2012
AIIMS
Chemistry
Hybridisation
Which of the following is not a peroxy acid?
Manipal - 2012
Manipal
Chemistry
Chlorine
Aspirin is known as :
AIEEE - 2012
AIEEE
Chemistry
analgesics
Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have the highest third ionization enthalpy?
AIIMS - 2012
AIIMS
Chemistry
properties of d block elements
The aqueous solution containing which one of the following ions will be colourless? (Atomic number of
$Sc = 21, Fe = 26, Ti = 22, Mn = 25$
)
AIIMS - 2012
AIIMS
Chemistry
properties of d block elements
What is the correct relationship between the
$pHs$
of isomolar solutions of sodium oxide
$(pH_1)$
, sodium sulphide
$(pH_2)$
, sodium selenide
$(pH_3)$
and sodium telluride
$(pH_4)$
?
AIIMS - 2012
AIIMS
Chemistry
Acids and Bases
Freon used as refrigerant is
AIIMS - 2012
AIIMS
Chemistry
Chemical Reactions
Of the following, the oxime of which shows geometrical isomerism is
AIIMS - 2012
AIIMS
Chemistry
Isomerism
Which has the highest nucleophilicity?
AIIMS - 2012
AIIMS
Chemistry
Classification Of Organic Compounds
The reduction potential at
$pH = 14$
for the
$Cu^{2+} /Cu$
couples is [ Given ,
$E^{\circ}_{Cu^{2+}}/Cu = 0.34 \,V; K_{sp} Cu(OH)_2 = 1\times 10^{-19}$
AIIMS - 2012
AIIMS
Chemistry
Electrochemical Cells
Amylopectin is a polymer of
AIEEE - 2012
AIEEE
Chemistry
Biomolecules
Among the following which is the best description of water in the solid phase?
AIEEE - 2012
AIEEE
Chemistry
The solid state
Among the following species which two have trigonal pyramidal shape?
$\left(I\right)NI_{3}\left(II\right)I^{-}_{3}$
$\left(III\right)SO^{2-}_{3}\left(IV\right)NO^{-}_{3}$
AIEEE - 2012
AIEEE
Chemistry
Chemical bonding and molecular structure
According to Freundlich adsorption isotherm which of the following is correct?
AIEEE - 2012
AIEEE
Chemistry
Surface Chemistry
A solid has a
$'bcc??
structure. If the distance of nearest approach between two atoms is
$1.73??
, the edge length of the cell is
AIEEE - 2012
AIEEE
Chemistry
The solid state
As per IUPAC nomenclature, the name of the complex
$[Co (H_2O )_4(NH_3 )_2]Cl_3$
is
AIEEE - 2012
AIEEE
Chemistry
coordination compounds
Which of the following is a natural dye?
Manipal - 2012
Manipal
Chemistry
Chemistry in Everyday Life
Which of the following represents a chelating ligand?
Manipal - 2012
Manipal
Chemistry
coordination compounds
Which one of the following forms the constituent of cell wall of plant cells?
KEAM - 2012
KEAM
Chemistry
Biomolecules
Which one of the following is not used as a filler in laundry soaps?
KEAM - 2012
KEAM
Chemistry
Chemistry in Everyday Life
Which one of the following is NOT true regarding electromeric effect ?
KCET - 2012
KCET
Chemistry
Organic Chemistry- Some Basic Principles and Techniques
Which one of the following is the correct order of field strength of ligands in spectrochemical series?
KEAM - 2012
KEAM
Chemistry
coordination compounds
Which one of the following sets forms the biodegradable polymer ?
AIPMT - 2012
AIPMT
Chemistry
Polymers
Which of the following exhibits only + 3 oxidation state ?
AIPMT - 2012
AIPMT
Chemistry
d -and f -Block Elements
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