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Chemistry
List of top Chemistry Questions
The chemical equilibrium of a reversible reaction is not influenced by :
KCET - 2004
KCET
Chemistry
Law Of Chemical Equilibrium And Equilibrium Constant
Glucose on oxidation gives the acid containing the C-chiral atoms equal to
MHT CET - 2004
MHT CET
Chemistry
Biomolecules
Variable oxidation state and degenerated orbital shows:
BCECE - 2004
BCECE
Chemistry
Classification of elements and periodicity in properties
What amount of water is added in
$40\, mL$
of
$NaOH (0.1\, N )$
which is neutralized by
$50 \,mL$
of
$HCl (0.2 N ) ?$
BCECE - 2004
BCECE
Chemistry
Stoichiometry and Stoichiometric Calculations
Steroid hormone is derived from :
BCECE - 2004
BCECE
Chemistry
Nucleic Acids
Three elements
$A, B$
and
$C $
having reduction potential
$-1.5,-0.5 $
and
$ 1.5\,V $
respectively then arrange them in correct order according to reducing power:
BCECE - 2004
BCECE
Chemistry
Classical Idea Of Redox Reactions – Oxidation And Reduction Reactions
Which of the following is more acidic in nature?
BCECE - 2004
BCECE
Chemistry
Group 17 Elements
The activation energy for most of the reactions is approximately
$50\, kJ\, mol^{-1}.$
The value of temperature coefficient for such reactions is
JKCET - 2004
JKCET
Chemistry
Rate of a Chemical Reaction
One mole of a perfect gas expands isothermally to ten times of its original volume. The change in entropy is
JKCET - 2004
JKCET
Chemistry
Thermodynamics terms
$1\, mol$
of
$H _{2} SO _{4}$
is mixed with
$2$
moles of
$NaOH$
. The heat evolved will be
JKCET - 2004
JKCET
Chemistry
Stoichiometry and Stoichiometric Calculations
For the reaction,
$N_{2}+3 H_{2} 2 N H ; \Delta H=$
?
JKCET - 2004
JKCET
Chemistry
Enthalpy change
The correct name of the compound
$\left[ Cu \left( NH _{3}\right)_{4}\right]\left( NO _{3}\right)_{2}$
according to IUPAC system is
JKCET - 2004
JKCET
Chemistry
Nomenclature of Coordination Compounds
Number of atoms of oxygen present in $10.6\, g$ of $Na _{2} CO _{3}$ will be
JKCET - 2004
JKCET
Chemistry
Some basic concepts of chemistry
Volume of
$0.1\, M\, K _{2} Cr _{2} O _{7}$
required to oxidize
$35\, mL$
of
$0.5\, M\, FeSO _{4}$
solution is
JKCET - 2004
JKCET
Chemistry
Solutions
Identify the correct sequence of increasing number of a bonds in the structures of the following molecules: I. $ {{H}_{2}}{{S}_{2}}{{O}_{6}} $ II. $ {{H}_{2}}S{{O}_{3}} $ III. $ {{H}_{2}}{{S}_{2}}{{O}_{5}} $
EAMCET - 2004
EAMCET
Chemistry
Chemical bonding and molecular structure
In which of the following, there are 3 bp and 2 lp?
EAMCET - 2004
EAMCET
Chemistry
Chemical bonding and molecular structure
Xenon hexaflouride reacts with silica to form a xenon compound X. The oxidation state of xenon in X is:
EAMCET - 2004
EAMCET
Chemistry
Group 18 Elements
Sulphur reacts with chlorine in 1:2 ratio and forms X. Hydrolysis of X gives a sulphur compound Y. What is the hybridisation state of central atom in the anion of F?
EAMCET - 2004
EAMCET
Chemistry
sulphur
100 mL of 0.015 M HCl solution is mixed "with 100 mL of 0.005 M HCl. What is the pH of the resultant solution?
EAMCET - 2004
EAMCET
Chemistry
Acids and Bases
An element has 2 electrons in its K-shell, 8 electrons in L-shell, 13 electrons in M-shell and one electron in N-shell. The element is:
EAMCET - 2004
EAMCET
Chemistry
d block elements
Lattice energy of alkali metal chlorides follows the order :
DUET - 2004
DUET
Chemistry
Chemical bonding and molecular structure
What is the formula of calgon?
EAMCET - 2004
EAMCET
Chemistry
GROUP 1 ELEMENTS
The formula of exhausted permutait is:
EAMCET - 2004
EAMCET
Chemistry
Group 13 Elements
The nucleic acid base having two possible binding sites is
AIIMS - 2004
AIIMS
Chemistry
Biomolecules
The metal which does not form ammonium nitrate by reaction with dilute nitric acid is :
KCET - 2004
KCET
Chemistry
properties of d block elements
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