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On passing a particular amount of electricity in AgNO3 solution, 108 g of Ag is deposited.
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Mar 31, 2019
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Chemistry
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kratos
batteries
stoichiometry in physical chemistry
cbse
jee main 2020
physical chemistry
kvpy
electrolysis
class-12
electro chemistry
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1
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Write the equations of the reactions which take place at the cathode and anode when acidified water is electrolysed.
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Mar 31, 2019
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Chemistry
by
kratos
batteries
cbse
class-10
icse
electrolysis
class-12
electro chemistry
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1
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Depict the galvanic cell in which the reaction Zn(*) + 2Ag^+(aq) → Zn^2+(aq) + 2Ag(*) takes place. Further show:
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Mar 31, 2019
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Chemistry
by
kratos
batteries
electrochemistry
cbse
electro chemistry
class-12
electrolysis
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Silver is uniformly electro-deposited on a metallic vessel of surface area of 900 cm^2 by passing a
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Mar 22, 2019
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Chemistry
by
kratos
batteries
cbse
electro chemistry
class-12
electrolysis
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1
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Write chemical equation for lead acid cell.
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Mar 21, 2019
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Chemistry
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kratos
batteries
cbse
electro chemistry
class-12
electrolysis
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1
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Suggest a way to determine the Λ°m value of water.
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Mar 21, 2019
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Chemistry
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kratos
batteries
cbse
electro chemistry
class-12
electrolysis
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108 g of silver (molar mass 108 g mol^–1) is deposited at cathode from AgNO3(aq) solution by a certain quantity of electricity.
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Mar 19, 2019
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Chemistry
by
kratos
batteries
neet
electrochemistry
cbse
electro chemistry
jee main 2020
kvpy
class-12
electrolysis
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1
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Using the E° values of A and B, predict which is better for coating the surface of iron [E°(Fe^2+/Fe) = - 0.44 V] to prevent corrosion and why ?
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Mar 18, 2019
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Chemistry
by
kratos
batteries
cbse
electro chemistry
nernst equation
redox reaction
class-12
electrolysis
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1
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The chemistry of corrosion of iron is essentially an electrochemical phenomenon. Explain the reactions occurring
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Mar 12, 2019
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Chemistry
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kratos
batteries
electrochemistry
cbse
electrolysis
class-12
electro chemistry
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Explain the terms 1. metal activity or electro chemical series 2. selective discharge of ions.
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Mar 10, 2019
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Chemistry
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kratos
batteries
cbse
class-10
icse
electrolysis
class-12
electro chemistry
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The standard free energy change (in J) for the reaction 3Fe^2+ (aq) + 2Cr(*) = 2Cr^3+(aq) + 3Fe(*) given + = E^0Fe^2+ / Fe
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Mar 8, 2019
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Chemistry
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kratos
class-12-hindi
batteries
electro chemistry hindi
cbse
electro chemistry
kvpy
class-10
chemical reactions and equations
class-12
electrolysis
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1
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Why ungrounded 250V DC system adopted in our system?
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Mar 8, 2019
in
Mathematics
by
kratos
batteries
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1
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For the cell reaction, Mg | Mg^2+(aq) | | Ag+(aq) | Ag. Calculate the equilibrium constant at 25°C
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Mar 7, 2019
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Chemistry
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kratos
batteries
neet
electrochemistry
cbse
jee
electrolysis
jee mains
class-12
electro chemistry
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Write the name of the cell which is generally used in hearing aids. Write the reactions taking place at the anode and cathode of this cell.
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Mar 3, 2019
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Chemistry
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kratos
batteries
cbse
electro chemistry
processes of isolation of elements
general principles
class-12
electrolysis
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Write the reactions taking place at cathode and anode in lead storage battery when the battery is in use. What happens on charging the battery ?
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Mar 2, 2019
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Chemistry
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kratos
batteries
cbse
electro chemistry
class-12
electrolysis
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1
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Suggest two materials other than hydrogen that can be used as fuels in fuel cells.
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Mar 2, 2019
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Chemistry
by
kratos
batteries
electrochemistry
cbse
electro chemistry
electro chemistry concepts
class-12
electrolysis
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1
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A 100 watt, 110 volt incandescent lamp is connected in series with an electrolytic cell containing CdSO4 solution.
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Mar 1, 2019
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Chemistry
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kratos
batteries
neet
electrochemistry
cbse
electro chemistry
class-11
jee
physical chemistry
aiims
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redox reactions
class-12
current electricity
electrolysis
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1
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The cell in which the following reaction occurs : 2Fe^3+(aq) + 2I^-(aq) → 2Fe^2+(aq) + I2(*) has E°cell = 0.236 V at 298K.
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Feb 24, 2019
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Chemistry
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kratos
batteries
cbse
electro chemistry
nernst equation
redox reaction
class-12
electrolysis
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1
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What are fuel cells ? Give an example of a fuel cell.
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Feb 22, 2019
in
Chemistry
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kratos
batteries
cbse
electro chemistry
class-12
electrolysis
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1
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Define solubility product of weak electrolyte.
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Feb 22, 2019
in
Chemistry
by
kratos
batteries
electrochemistry
cbse
electro chemistry
class-11
class-10
icse
equilibrium
class-12
electrolysis
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