Q1Multiple choice
Which cell will measure standard electrode potential of copper electrode?
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Correct option: C
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Worked solution
Option (iii) 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 questionsQ2Written answer
Electrode potential for Mg electrode varies according to the equation
EMg2+/Mg = EᶱMg2+/Mg – 0.0591/2 log1/[Mg2+ ] . The graph of EMg2+/Mg Vs log [Mg2+] is
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Worked solution
Option (ii) is the answer.
Q3Multiple choice
Which of the following statement is correct?
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Correct option: C
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Option (iii) is the answer.
Q4Multiple choice
The difference between the electrode potentials of two electrodes when no
current is drawn through the cell is called ___________.
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Correct option: B
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Option (ii) is the answer.
Q5Multiple choice
Which of the following statement is not correct about an inert electrode in a
cell?
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Correct option: D
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Option (iv) is the answer.
Q6Multiple choice
An electrochemical cell can behave like an electrolytic cell when ____________.
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Correct option: C
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Option (iii) is the answer.
Q7Multiple choice
Which of the statements about solutions of electrolytes is not correct?
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Correct option: C
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Option (iii) is the answer.
Q8Multiple choice
Using the data given below to find out the strongest reducing agent.
EᶱCr2O72-/Cr3+ = 1.33V
EᶱMnO4–/Mn2+ = 1.51V
EᶱCl2/Cl– = 1.36V
EᶱCr3+/Cr = -0.74V
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Correct option: B
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Worked solution
Option (ii) is the answer.
Q9Multiple choice
Use the data given in Q.8 and find out which of the following is the strongest
oxidising agent.
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Correct option: C
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Worked solution
Option (iii) is the answer.
Q10Multiple choice
Using the data given in Q.8 find out in which option the order of reducing
power is correct.
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Correct option: B
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Worked solution
Option (ii) is the answer.