Chemistry 12 Chapter 3 Exemplar Solutions Electrochemistry Part 1

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I. Multiple Choice Questions (Type-I)

Question 1:

Which cell will measure standard electrode potential of copper electrode?

(i)

(ii)

(iii)

(iv)

Answer: (i)

Question 2:

Electrode potential for Mg electrode varies according to the equation

. The graph of vs

(i) Image

Electrode potential

Electrode Potential

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(ii)

Electrode potential

Electrode Potential

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(iii)

Electrode potential

Electrode Potential

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(iv)

Electrode potential

Electrode Potential

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Answer: (ii)

Question 3:

Which of the following statement is correct?

(i) and of cell reaction both are extensive properties.

(ii) and of cell reaction both are intensive properties.

(iii) is an intensive property while of cell reaction is an extensive property.

(iv) is an extensive property while of cell reaction is an intensive property.

Answer: (iii)

Question 4:

The difference between the electrode potentials of two electrodes when no current is drawn through the cell is called ___________.

(i) Cell potential

(ii) Cell emf

(iii) Potential difference

(iv) Cell voltage

Answer: (ii)

Question 5:

Which of the following statement is not correct about an inert electrode in a cell?

(i) It does not participate in the cell reaction.

(ii) It provides surface either for oxidation or for reduction reaction.

(iii) It provides surface for conduction of electrons.

(iv) It provides surface for redox reaction.

Answer: (iv)