1
MCQ (Single Correct Answer)
Which cell will measure standard electrode potential of copper electrode?
A
$\mathrm{Pt}(\mathrm{s})\left|\mathrm{H}_2(\mathrm{~g}, 0.1 \mathrm{bar})\right| \mathrm{H}^{+}(a q$. 1 M$) \| \mathrm{Cu}^{2+}(\mathrm{aq}, 1 \mathrm{M}) \mid \mathrm{Cu}$
B
$\mathrm{Pt}(\mathrm{s})\left|\mathrm{H}_2(\mathrm{~g}, 1 \mathrm{bar})\right| \mathrm{H}^{+}(\mathrm{aq}, 1 \mathrm{M}) \| \mathrm{Cu}^{2+}(\mathrm{aq}, 2 \mathrm{M}) \mid \mathrm{Cu}$
C
$\mathrm{ Pt }(s)\left|\mathrm{H}_2(\mathrm{~g}, 1 \mathrm{bar})\right| \mathrm{H}^{+}(\mathrm{aq}, 1 \mathrm{M}) \| \mathrm{Cu}^{2+}(\mathrm{aq}, 1 \mathrm{M}) \mid \mathrm{Cu}$
D
$\operatorname{Pt}(s)\left|\mathrm{H}_2(\mathrm{~g}, 0.1 \mathrm{bar})\right| \mathrm{H}^{+}(\mathrm{aq}, 0.1 \mathrm{M})| | \mathrm{Cu}^{2+}(a q, 1 \mathrm{M}) \mid \mathrm{Cu}$
2
MCQ (Single Correct Answer)
Electrode potential for Mg electrode varies according to the equation $\mathrm{E}_{\mathrm{Mg}^{2+} / \mathrm{Mg}}=\mathrm{E}_{\mathrm{Mg}^{2+} / \mathrm{Mg}}^{\mathrm{s}}-\frac{0.059}{2} \log \frac{1}{\left[\mathrm{Mg}^{2+}\right]}$. The graph of $\mathrm{E}_{\mathrm{Mg}^{2+} / \mathrm{Mg}}$ vs $\log \left[\mathrm{Mg}^{2+}\right]$ is
A

B

C

D

3
MCQ (Single Correct Answer)
Which of the following statement is correct?
A
$E_{\text {cell }}$ and $\Delta_r G$ of cell reaction both are extensive properties
B
$E_{\text {cell }}$ and $\Delta_r G$ of cell reaction both are intensive properties
C
$E_{\text {cell }}$ is an intensive property while $\Delta_t \mathrm{G}$ of cell reaction is an extensive property
D
$E_{\text {cell }}$ is an extensive property while $\Delta_r G$ of cell reaction is an intensive property
4
MCQ (Single Correct Answer)
The difference between the electrode potentials of two electrodes when no current is drawn through the cell is called ............ .
A
cell potential
B
cell emf
C
potential difference
D
cell voltage
5
MCQ (Single Correct Answer)
Which of the following statement is not correct about an inert electrode in a cell?
A
It does not participate in the cell reaction
B
It provides surface either for oxidation or for reduction reaction
C
It provides surface for conduction of electrons
D
It provides surface for redox reaction