HARD
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IMPORTANT
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of silver (molar mass ) is deposited at cathode from solution by a certain quantity of electricity. The volume (in ) of oxygen gas produced at and bar pressure from water by the same quantity of electricity is . Value of to the nearest integer is _____.

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Important Questions on Electrochemistry
MEDIUM
JEE Main
IMPORTANT
If the standard electrode potential for a cell is at the equilibrium constant for the reaction.
at is approximately:

MEDIUM
JEE Main
IMPORTANT
The anodic half-cell of lead-acid battery is recharged using electricity of Faraday. The amount of electrolyzed in during the process is: (Molar mass of )

EASY
JEE Main
IMPORTANT
A solution of is electrolyzed between platinum electrode Faraday electricity. How many mole of will be deposited at the cathode?

EASY
JEE Main
IMPORTANT
The standard Gibbs energy for the given cell reaction in at is:
,

EASY
JEE Main
IMPORTANT
Which of the following ions does not liberate hydrogen gas on reaction with dilute acids?

MEDIUM
JEE Main
IMPORTANT
To find the standard potential of electrode, the following cell is constituted:
The emf of the cell is found to be at . The standard potential of half-reaction at will be:
(Given: at )

MEDIUM
JEE Main
IMPORTANT
A current of flows for through an electrolytic cell containing a molten salt of metal . This results in the decomposition of of metal at the cathode. The oxidation state of in the molten salt is:

EASY
JEE Main
IMPORTANT
The standard electrode potentials of four metals and are , and , respectively. The sequence of deposition of metals on applying potential is
