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Chemistry
List of top Chemistry Questions
In electrorefining the impure metal is made
Chemistry
General Principles and Processes of Isolation of Elements
In electrometallurgy of aluminium, what will happen if graphite rods are not used as anode and are replaced by some other metal?
Chemistry
General Principles and Processes of Isolation of Elements
In electrochemical corrosion of metals, the metal undergoing corrosion
Chemistry
Electrochemistry
In electrolysis of dilute
$H_2SO_4$
, what is liberated at anode ?
Chemistry
Electrochemistry
In electro-refining of metal the impure metal is made the anode and a strip of pure metal the cathode during the electrolysis of an aqueous solution of a complex metal salt. This method cannot be used for refining of
Chemistry
General Principles and Processes of Isolation of Elements
In diamond, each carbon atom is bonded to four other carbon atoms tetrahedrally. The number of carbon atoms per unit cell is
Chemistry
The solid state
In diborane, banana bond is formed between
Chemistry
p -Block Elements
In dilute aqueous solution HF is a weaker acid than HI because
Chemistry
p -Block Elements
In crystal structure of sodium chloride, the arrangement of
$Cl^-$
ions is
Chemistry
The solid state
In
$CsCl$
type structure, the co-ordination number of
$Cs^+$
and
$Cl^-$
respectively are :
Chemistry
The solid state
In comparing Dows process and Raschigs the common factor is
Chemistry
Alcohols, Phenols and Ethers
In chromium chloride
$ {(CrCl_{3}), Cl^{-}}$
ions have cubic close packed arrangement and
$ {Cr^{3+}}$
ions are present in the octahedral holes. The fraction of the total number of holes occupied is
Chemistry
The solid state
In colloidal state, particle size ranges from
Chemistry
Surface Chemistry
In
$ccp$
arrangement the pattern of successive layers can be designated as
Chemistry
The solid state
In case of the hydrides
$H_2O, H_2S, H_2Se$
and
$H_2$
Te the acid strength of aqueous solution of equimolar concentration
Chemistry
Group 16 Elements
In case of alkaline earth metals, the oxidation state of more than two is not observed because
Chemistry
GROUP 1 ELEMENTS
In certain respects, lithium differs from other alkali metals, The main reason for this is
Chemistry
GROUP 1 ELEMENTS
In astronomical observations, signals observed from the distant stars are generally weak. If the photon detector receives a total of 3.15 ?
$10^{-18} J$
from the radiation of 600 nm, calculate the number of photons received by the detector.
Chemistry
Structure of atom
In benzilic acid rearrangement
Chemistry
Aldehydes, Ketones and Carboxylic Acids
In aqueous solutions
$Eu^{2+}$
acts as
Chemistry
d -and f -Block Elements
In any subshell, the maximum number of electrons having same value of spin quantum number is
Chemistry
Structure of atom
In any natural process
Chemistry
Thermodynamics
In an antifluorite structure, cations occupy
Chemistry
The solid state
In an adiabatic expansion of ideal gas
Chemistry
Thermodynamics
In an alkaline condition
$KMnO_4$
reacts as follows :
$ {2KMnO_4 + 2KOH -> 2K_2MnO_4 + H_2O + O}$
Its equivalent weight is
Chemistry
d -and f -Block Elements
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