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Recent questions tagged electro chemistry concepts
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If a current of 0.5 amp ows through a metallic wire for 2 hours, how many electrons would ow through the wire ?
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Apr 6, 2019
in
Chemistry
by
kratos
electro chemistry concepts
electrochemistry
+3
votes
1
answer
Write the overall cell reaction taking place in Daniel cell.
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Apr 5, 2019
in
Chemistry
by
kratos
cbse
nernst equation
redox reaction
electro chemistry concepts
class-12
electro chemistry
+2
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1
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hree electrolytic cells A,B,C containing solutions of ZnSO4, AgNO3 and CuSO4,
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Apr 2, 2019
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Chemistry
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kratos
neet
electrochemistry
class-11
jee
physical chemistry
electro chemistry concepts
jee mains
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1
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A certain quantity of current on passing through electrolytic baths containing AgNO3, FeSO4 and CrCl3 in series,
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Mar 30, 2019
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Chemistry
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kratos
electrochemistry
cbse
coordination compounds
class-11
jee
physical chemistry
electro chemistry concepts
jee mains
class-12
bitsat
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1
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What is the relation between conductance and conductivity ?
asked
Mar 27, 2019
in
Chemistry
by
kratos
electro chemistry concepts
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1
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Which have melting point below 500C
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Mar 26, 2019
in
Chemistry
by
kratos
class-11
thermodynamics
electro chemistry concepts
jee mains 2019
aiims 2019
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1
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What is the role of ZnCl2 in a dry cell?
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Mar 24, 2019
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Chemistry
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kratos
acids
organic compounds
jee
electro chemistry concepts
class-9
containing halogens
bseb model set
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class-12
bases and salts
electro chemistry
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1
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Calculate emf of the following cell at 298 K : Mg (*) + 2Ag+ (0.0001M) --> Mg2+ (0.130 M) + 2Ag (*)
asked
Mar 23, 2019
in
Chemistry
by
kratos
electro chemistry concepts
class-12
electrochemistry
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votes
1
answer
Write the overall reaction taking place in rusting.
asked
Mar 22, 2019
in
Chemistry
by
kratos
electro chemistry concepts
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vote
1
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The standard reduction potential data at 25C is given below.
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Mar 21, 2019
in
Chemistry
by
kratos
jee
electro chemistry concepts
jee mains
class-12
chemical kinetics
electro chemistry
+2
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1
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Out of zinc and tin, which one protects iron better even after cracks and why ?
asked
Mar 14, 2019
in
Chemistry
by
kratos
electro chemistry concepts
electrochemistry
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1
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Equivalent conductance of saturated BaSO4 is 400 ohm^-1 cm^2 eqvt^-1 and specific conductance is 8 x 10^-5 ohm^-1 cm^-1. The ksp BaSO4 is-
asked
Mar 10, 2019
in
Chemistry
by
kratos
neet
electrochemistry
jee
aiims
electro chemistry concepts
jee mains
class-12
electro chemistry
+1
vote
1
answer
Calculate emf of the cell: Zn(*)|Zn^2+(aq)||Ag^+(aq)|Ag(*) if EZn^2+ = -0.76v and EAg^+ = 0.80v
asked
Mar 7, 2019
in
Chemistry
by
kratos
electro chemistry concepts
redox reactions
class-11
+1
vote
1
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E (Cu2+/Cu) and E (Ag+ /Ag) is +0.337 V and +0.799 V respectively. Make a cell whose EMF is +ve.
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Mar 6, 2019
in
Chemistry
by
kratos
electro chemistry concepts
upsee
jee main 2020
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vote
1
answer
Calculate emf of the cell: Zn(*)|Zn^2+(aq)||Fe^2+(aq)|Fe(*) if Zn^2+ = -0.76v EFe^2+ = -0.44v
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Mar 3, 2019
in
Chemistry
by
kratos
electrochemistry
class-11
jee
electro chemistry concepts
jee mains
redox reactions
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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
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kratos
batteries
electrochemistry
cbse
electro chemistry
electro chemistry concepts
class-12
electrolysis
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votes
1
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Why is it necessary to use a salt bridge in a galvanic cell ?
asked
Feb 27, 2019
in
Chemistry
by
kratos
electro chemistry concepts
class-12
electrochemistry
+2
votes
1
answer
Calculate the EMF of the cell for the reaction Mg(*) + 2Ag^+(aq) → +Mg^2+(aq) + 2Ag(*)
asked
Feb 24, 2019
in
Chemistry
by
kratos
electrochemistry
class-11
redox reaction
electro chemistry concepts
redox reactions
class-12
bitsat
electro chemistry
+2
votes
1
answer
Which reference electrode is used to measure the electrode potential of other electrodes?
asked
Feb 23, 2019
in
Chemistry
by
kratos
electrochemistry
cbse
nernst equation
redox reaction
electro chemistry concepts
class-12
electro chemistry
+3
votes
1
answer
Calculate the potential of hydrogen electrode in contact with a solution whose pH is 10.
asked
Feb 20, 2019
in
Chemistry
by
kratos
electro chemistry concepts
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