EASY
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The conduction of electricity through the electrolyte solution is due to________________?
(a)Movement of molecules of electrolyte
(b)Movement of ions of electrolyte
(c)Movement of separates atoms
(d)Movement of particles of the solvent

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Important Questions on Thermal Effect and Chemical Effect of Current
MEDIUM
A solution of is electrolyzed between platinum electrodes using a current of amperes for minutes. What mass of is deposited at the cathode?

MEDIUM
When 9.65 ampere current was passed for 1.0 hour into nitrobenzene in acidic medium, the amount of p-aminophenol produced is:

HARD
Calculate the molarity of a solution containing of dissolved in the product of a fuel cell operated at current for hours.
(Assume of electrons and molecular weight of as )

HARD
How long (approximate) should water be electrolysed by passing through current so that the oxygen released can completely burn of diborane? (Atomic weight of )

EASY
Two Faraday of electricity is passed through a solution of . The mass of copper deposited at the cathode is: (Atomic mass of Cu = 63.5 amu)

MEDIUM
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
For electroplating, current is passed for through solution of Only of the current was utilised for electrolysis. The molarity of solution after electrolysis is closest to [Assume that the volume of the solution remain constant]

MEDIUM
The weight of silver (at.wt. ) displaced by a quantity of electricity which displaces of at will be

MEDIUM
A constant current (0.5 amp) is passed for 1 hour through (i) aqueous . (ii) aqueous and (iii) molten , separately. The ratio of the mass of the metals deposited on the cathode is are molar masses of the respective metals

EASY
During the electrolysis of molten sodium chloride, the time required to produce of chlorine gas using a current of is

MEDIUM
Oxidation of succinate ion produces ethylene and carbon dioxide gases. On passing Faraday electricity through an aqueous solution of potassium succinate, what is the total volume of gases (at both cathode and anode) at STP ( and )?

MEDIUM
of copper was dissolved in . The copper nitrate thus obtained gave of its oxide on strong heating the equivalent weight of copper is

HARD
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 _____.

EASY
The density of metal and equivalent weight of a metal are and , respectively. The time required for a current of to deposit a thick layer of the same metal on an area of is closest to

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

MEDIUM
One litre solution of is electrolyzed completely by passing a current of for sec. The original concentration of solution was (Atomic mass of )

MEDIUM
When is oxidized the quantity of electricity required to completely to is

EASY
The number of electrons delivered at the cathode, during electrolysis by a current of is (charge on electron )

MEDIUM
A fuel cell generates electricity by using methanol as fuel and as the oxidant. Calculate the equivalent weight of methanol.

MEDIUM
In order to oxidize a mixture of one mole of each of and in acidic medium, the number of moles of is:

