Electrochemistry


If electricity is passed through CuSO4 solution by using Pt electrode then which of the following possible change occurs?
A. H2 is deposited at cathode B. Colour of the solution becomes fade
C. Cu is deposited at anode D. All are possible
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B
Stronger the oxidizing agent greater is the
A. Oxidation potential B. Reduction potential
C. Redox potential D. emf of cell
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B
Which of the following cell is not rechargeable?
A. Lead storage battery B. Silver oxide cell
C. Fuel cell D. Ni-Cd cell
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B
In a galvanic cell
A. Chemical energy is converted into electricity B. Chemical energy is converted into heat
C. Electrical energy is converted into chemical energy D. Electrical energy is converted into heat
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A
Salt bridge transfers
A. electrons B. anion
C. current D. ions
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D

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