MHT CET 2025 21st April Evening Shift | Electrochemistry Question 1 | Chemistry

If $\mathrm{E}^{\circ}\left(\mathrm{Ag}^{+}{ }_{(\mathrm{aq})} \mid \mathrm{Ag}_{(\mathrm{s})}\right)=+0.80 \mathrm{~V}$ What is potential developed for $\mathrm{Ag}_{(\mathrm{s})} \longrightarrow \mathrm{Ag}^{+1}(0.01 \mathrm{M})+\mathrm{e}^{-}$at 298 K ?

+0.9184 V

-0.9184 V

+0.6816 V

-0.6816 V

MHT CET 2025 21st April Evening Shift

MCQ (Single Correct Answer)

-0

Which of the following relations about $\mathrm{E}_{\text {cell }}^{\circ}$ is false?

$\mathrm{E}_{\text {cell }}^{\circ}=\mathrm{E}_{\text {(cathode) }}^{\circ}-\mathrm{E}_{\text {(anode) }}^{\circ}$

$\mathrm{E}_{\text {cell }}^{\circ}=\frac{0.0592}{\mathrm{n}} \times \log _{10} \mathrm{~K}$

$\mathrm{E}_{\text {cell }}^{\circ}=\frac{\Delta \mathrm{G}^{\circ}}{\mathrm{nF}}$

$\quad \mathrm{E}_{\text {cell }}^{\circ}=\mathrm{E}_{\text {(anode) }}^{\circ}+\mathrm{E}_{\text {(cathode) }}^{\circ}$

MHT CET 2025 21st April Evening Shift

MCQ (Single Correct Answer)

-0

For cell reaction,

$$ 2 \mathrm{Al}_{(\mathrm{s})}+3 \mathrm{Cu}_{(\mathrm{aq})}^{+2} \longrightarrow 2 \mathrm{Al}_{(\mathrm{aq})}^{+3}+3 \mathrm{Cu}_{(\mathrm{s})} $$

If $\Delta \mathrm{G}^{\circ}=-1158 \mathrm{~kJ}$, what is $\mathrm{E}_{\text {cell }}^{\circ}$?

3 V

2 V

2.5 V

1.5 V

MHT CET 2025 21st April Morning Shift

MCQ (Single Correct Answer)

-0

Select false statement from the following regarding electrochemical cell.

Standard cell potential of electro chemical cell is an intensive property.

Electrode potential depends on concentration of salt solution in contact with electrode.

Standard free energy change of cell is an intensive property.

Electrical work done in galvanic cell is equal to decrease in Gibb's energy.

MHT CET Subjects