Q11Multiple choice
Use the data given in Q.8 and find out the most stable ion in its reduced form.
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Correct option: D
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Worked solution
Option (iv) is the answer.
NCERT Exemplar · Class 12 · Chemistry
Chapter 3: Electrochemistry
Practice each question, then open the answer or worked solution.
I. Multiple Choice Questions (Type-I)
17 questionsQ12Multiple choice
Use the data of Q.8 and find out the most stable oxidised species.
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Correct option: A
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Worked solution
Option (i) is the answer.
Q13Multiple choice
The quantity of charge required to obtain one mole of aluminium from Al2O3
is
___________.
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Correct option: C
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Worked solution
Option (iii) is the answer.
Q14Multiple choice
The cell constant of a conductivity cell _____________.
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Correct option: D
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Worked solution
Option (iv) is the answer.
Q15Written answer
While charging the lead storage battery ______________.
(i) PbSO4 anode is reduced to Pb.
(ii) PbSO4 cathode is reduced to Pb.(iii) (iii) PbSO4 cathode is oxidised to Pb.
(iv) PbSO4 anode is oxidised to PbO2
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Worked solution
Option (i) is the answer.
Q16Multiple choice
˄0m(NH4OH) is equal to ______________.
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Correct option: B
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Worked solution
Option (ii) is the answer.
Q17Multiple choice
In the electrolysis of aqueous sodium chloride solution which of the half cell
reaction will occur at anode?
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Correct option: D
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Worked solution
Option (iv) is the answer.