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Reaction occurs at anode in the electrolysis of fused NaCl is

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Important Questions on Electrochemistry

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Aqueous solution of which of the following compounds is the best conductor of electric current?
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When electricity is passed through a solution of AlCl2, 13.5 g of Al is deposited at the cathode. The number of faradays passed is
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The product, which is not obtained during the electrolysis of brine solution is
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An aqueous solution of nickel (II) sulphate was electrolyzed using nickel electrodes. Observe the diagram and answer the question that follows:

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  • What do you observe at the cathode and anode respectively?
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In the preparation of chlorine by the electrolysis of brine, the reaction taking place at the anode is
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An aqueous solution of nickel (II) sulphate was electrolyzed using nickel electrodes. Observe the diagram and answer the question that follows:

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  • Which equation for the reaction at the anode is correct?
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Which one of the following statements is correct for electrolysis of brine solution?

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The electrolytes usually used in the electroplating of gold and silver, respectively, are:
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If electrolysis of aqueous CuSO4 solution is carried out using Cu-electrodes, the reaction taking place at the anode is
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Electrolysis of concentrated aqueous solution of NaCl results in
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Electric current was passed through an aqueous solution of CuSO4 using two Pt electrodes. After some time, the blue colour of the solution disappeared along with evolution of O2 gas. Which of the following statement is correct regarding the resultant solution?
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If an aqueous solution of NaF is electrolyzed between inert electrodes, the product obtained at anode is
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One litre of 1 M CuSO4, solution is electrolysed. After passing 2 F charge, the molarity of CuSO4, solution will be:
HARD

An aqueous solution of nickel (II) sulphate was electrolyzed using nickel electrodes. Observe the diagram and answer the question that follows:

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  • Name the cation that remains as a spectator ion in the solution.
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Which products are obtained during electrolysis of aqueous solution of sodium chloride?
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A constant current (0.5 amp) is passed for 1 hour through (i) aqueous AgNO3 . (ii) aqueous CuSO4 and (iii) molten AlF3 , separately. The ratio of the mass of the metals deposited on the cathode is [MAg, MCu, MAl are molar masses of the respective metals]
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Two Faraday of electricity is passed through a solution of CuSO4 . The mass of copper deposited at the cathode is: (Atomic mass of Cu = 63.5 amu)
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The pH of the solution _________ during the electrolysis of dilute aqueous solution of CuSO4.

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During the electrolysis of aqueous sodium chloride, the product obtained at anode is
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An aqueous solution of CuSO4 is subjected to electrolysis using inert electrodes. The pH of the solution will