>
Chemistry
List of top Chemistry Questions
When
$1$
mol
$CrCl_{3}\cdot 6H_{2}O$
is treated with excess of
$AgNO_{3}$
,
$3$
mol of
$AgCl$
are obtained. The formula of the complex is
Chemistry
coordination compounds
When
$0.1$
Faraday of electricity is passed in aqueous solution of
$AlCl_3$
, the amount of
$Al$
deposited on cathode is
Chemistry
Electrochemistry
What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid?
Chemistry
d -and f -Block Elements
What would be the atomic number of the next halogen if discovered in future?
Chemistry
Classification of elements and periodicity in properties
What will be the molar conductivity of
$AL^{3+}$
ions at infinite dilution if molar conductivity of
$Al_2(SO_4)_3$
is
$858\, S \,cm^2 \,mol^{-1}$
and ionic conductance of
$SO^{2-}_4$
is
$160\, S\, cm^2\, mol^{-1}$
at infinite dilution?
Chemistry
Electrochemistry
What will be the melting point of
$KCl$
if enthalpy change for the reaction is
$7.25\, J\, mol^{-1}$
and entropy change is
$0.007\, J \,K^{-1}\, mol^{-1}$
?
Chemistry
Thermodynamics
What will be the emf of the following concentration cell at
$25^{\circ}C$
?
$Ag_{\left(s\right)}\left|AgNO_{3}\left(0.01\,M\right)\right|\left|AgNO_{3}\left(0.05\,M\right)\right|Ag_{\left(s\right)}$
Chemistry
Electrochemistry
What volume in litres will be occupied by
$4.4 \,g$
of
$C0_2$
at
$STP$
?
Chemistry
States of matter
What type of stoichiometric defect is shown by
$ZnS$
?
Chemistry
The solid state
What products are expected from the disproportionation reaction of hypochlorous acid?
Chemistry
Redox reactions
What type of hybridisation takes place in the N atom of
$NH_3$
?
Chemistry
Chemical bonding and molecular structure
What type of crystal defect is indicated in the diagram below ?
$ { Na^{+} Cl^{-} Na^{+} Cl^{-} Na^{+} Cl^{-}}$
$ {Cl^{-} \Box \, Cl^{-} Na^{+} \Box Na^{+}}$
$ {Na^{+} Cl^{-} \Box Cl^{-} Na^{+} Cl^{-}}$
$ {Cl^{-} Na^{+} Cl^{-} Na^{+} \Box Na^{+}}$
Chemistry
The solid state
What is wrong about the following pair of compounds
$[Cr(H_2O)6]CI_3$
and
$[Cr(H_2O)_5CI]CI_2.H_2O$
Chemistry
coordination compounds
What kind of isomerism exists between
$[Cr(H_{2}O)_{6}]Cl_{3}$
(violet) and
$[Cr(H_{2}O )_{5}Cl]Cl_{2}\cdot H_{2}O$
(greyish-green)?
Chemistry
coordination compounds
What is the valency of Manganese in
$ {K2MnO4}$
?
Chemistry
Redox reactions
What is the valency of carbon in
$CO^{2-}_3$
?
Chemistry
Chemical bonding and molecular structure
What is the problem faced while using alitame as artificial sweetener?
Chemistry
Chemistry in Everyday Life
What is the percentage of acetic acid present in vinegar?
Chemistry
Aldehydes, Ketones and Carboxylic Acids
What is the oxidation number of Fe in
$Fe(CO)_5$
?
Chemistry
coordination compounds
What is the order of stability of
$N_2$
and its ions?
Chemistry
Chemical bonding and molecular structure
What is the net charge on ferrous ion?
Chemistry
Redox reactions
What is the name of the complex
$[Al(OH)_2(H_2O)_4]SO_4$
?
Chemistry
coordination compounds
What is the name and symbol of the element with atomic number
$112$
?
Chemistry
Classification of elements and periodicity in properties
What is the most likely configuration of the cobalt d-electrons for the species,
$[CoCl_6]^{3-}$
and
$[Co(NO_2)_6]^{3-}$
?
Chemistry
coordination compounds
What is the IUPAC name of
$Na_2[Fe(CN)_5NO]$
?
Chemistry
coordination compounds
Prev
1
...
642
643
644
645
646
...
714
Next