Relation between Gibbs free energy, Equilibrium constant and emf of cell
CHXII03:ELECTROCHEMISTRY

330424 For the reduction of silver ions with copper metal, the standard cell potential is 0.46 V at \({\rm{25^\circ C}}\). The value of standard Gibbs energy \({\rm{\Delta }}{{\rm{G}}^{\rm{o}}}\) will be

1 \({\rm{ - 44}}{\rm{.5}}\,\,{\rm{V}}\)
2 \({\rm{ - 98}}{\rm{.0}}\,\,{\rm{kJ}}\)
3 \({\rm{ - 89}}{\rm{.0}}\,\,{\rm{kJ}}\)
4 \({\rm{ - 89}}{\rm{.0}}\,\,{\rm{J}}\)
CHXII03:ELECTROCHEMISTRY

330425 For the cell \(\mathrm{Mg}(\mathrm{s})\left \vert \mathrm{Mg}^{2+}(\mathrm{aq})\right \vert \left \vert \mathrm{Ag}^{+}(\mathrm{aq})\right \vert \mathrm{Ag}(\mathrm{s})\), the maximum work that can be obtained during operation of cell at \(25^{\circ} \mathrm{C}\) is ____.
Given \(\mathrm{E}_{\mathrm{Mg} / \mathrm{Mg}^{2+}}^{0}=+2.37 \mathrm{~V}\) and \(\mathrm{E}_{\mathrm{Ag}^{+} / \mathrm{Ag}}^{\circ}=+0.80 \mathrm{~V}\)

1 \(6.118 \times 10\,{\rm{kJ}}\)
2 \(6.118 \times {10^2}\,{\rm{kJ}}\)
3 \(6.118 \times {10^3}\,{\rm{kJ}}\)
4 \(6.118 \times {10^4}\,{\rm{kJ}}\)
CHXII03:ELECTROCHEMISTRY

330426 \({\rm{\Delta }}{{\rm{G}}^{\rm{o}}}\) of the cell reaction \({\text{AgCl(s) + }}\frac{{\text{1}}}{{\text{2}}}{{\text{H}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{Ag(s) + }}{{\text{H}}^{\text{ + }}}{\text{ + C}}{{\text{l}}^{\text{ - }}}\) \({\rm{is}}\,\,{\rm{ - 21}}{\rm{.52kJ}}\).
\({\rm{\Delta }}{{\text{G}}^{\text{o}}}\,\,{\text{of}}\,\,{\text{2AgCl(s) + }}{{\text{H}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{2Ag(s) + 2}}{{\text{H}}^{{\text{ + }}}}{\text{ + 2C}}{{\text{l}}^{{\text{ - }}}}\) is

1 -21.52 kJ
2 43.04 kJ
3 -10.76 kJ
4 -43.04 kJ
CHXII03:ELECTROCHEMISTRY

330427 Assertion :
In equation \(\Delta_{\mathrm{r}} \mathrm{G}=-\mathrm{nFE}_{\text {cell }}\), value of \(\Delta_{\mathrm{r}} \mathrm{G}\) depends on \(\mathrm{n}\).
Reason :
\({{\text{E}}_{{\text{cell}}}}\) is an intensive property and \(\Delta_{\mathrm{r}} \mathrm{G}\) is an extensive property.

1 Both Assertion and Reason are true and Reason is not the correct explanation of Assertion.
2 Assertion is true but Reason is false.
3 Assertion is false but Reason is true.
4 Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
CHXII03:ELECTROCHEMISTRY

330428 How many kJ of energy is spent when a current of 4 amp passes for 200 second under a potential of 115 V?

1 72 kJ
2 82 kJ
3 52 kJ
4 \({\rm{ - 92 kJ}}\)
CHXII03:ELECTROCHEMISTRY

330424 For the reduction of silver ions with copper metal, the standard cell potential is 0.46 V at \({\rm{25^\circ C}}\). The value of standard Gibbs energy \({\rm{\Delta }}{{\rm{G}}^{\rm{o}}}\) will be

1 \({\rm{ - 44}}{\rm{.5}}\,\,{\rm{V}}\)
2 \({\rm{ - 98}}{\rm{.0}}\,\,{\rm{kJ}}\)
3 \({\rm{ - 89}}{\rm{.0}}\,\,{\rm{kJ}}\)
4 \({\rm{ - 89}}{\rm{.0}}\,\,{\rm{J}}\)
CHXII03:ELECTROCHEMISTRY

330425 For the cell \(\mathrm{Mg}(\mathrm{s})\left \vert \mathrm{Mg}^{2+}(\mathrm{aq})\right \vert \left \vert \mathrm{Ag}^{+}(\mathrm{aq})\right \vert \mathrm{Ag}(\mathrm{s})\), the maximum work that can be obtained during operation of cell at \(25^{\circ} \mathrm{C}\) is ____.
Given \(\mathrm{E}_{\mathrm{Mg} / \mathrm{Mg}^{2+}}^{0}=+2.37 \mathrm{~V}\) and \(\mathrm{E}_{\mathrm{Ag}^{+} / \mathrm{Ag}}^{\circ}=+0.80 \mathrm{~V}\)

1 \(6.118 \times 10\,{\rm{kJ}}\)
2 \(6.118 \times {10^2}\,{\rm{kJ}}\)
3 \(6.118 \times {10^3}\,{\rm{kJ}}\)
4 \(6.118 \times {10^4}\,{\rm{kJ}}\)
CHXII03:ELECTROCHEMISTRY

330426 \({\rm{\Delta }}{{\rm{G}}^{\rm{o}}}\) of the cell reaction \({\text{AgCl(s) + }}\frac{{\text{1}}}{{\text{2}}}{{\text{H}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{Ag(s) + }}{{\text{H}}^{\text{ + }}}{\text{ + C}}{{\text{l}}^{\text{ - }}}\) \({\rm{is}}\,\,{\rm{ - 21}}{\rm{.52kJ}}\).
\({\rm{\Delta }}{{\text{G}}^{\text{o}}}\,\,{\text{of}}\,\,{\text{2AgCl(s) + }}{{\text{H}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{2Ag(s) + 2}}{{\text{H}}^{{\text{ + }}}}{\text{ + 2C}}{{\text{l}}^{{\text{ - }}}}\) is

1 -21.52 kJ
2 43.04 kJ
3 -10.76 kJ
4 -43.04 kJ
CHXII03:ELECTROCHEMISTRY

330427 Assertion :
In equation \(\Delta_{\mathrm{r}} \mathrm{G}=-\mathrm{nFE}_{\text {cell }}\), value of \(\Delta_{\mathrm{r}} \mathrm{G}\) depends on \(\mathrm{n}\).
Reason :
\({{\text{E}}_{{\text{cell}}}}\) is an intensive property and \(\Delta_{\mathrm{r}} \mathrm{G}\) is an extensive property.

1 Both Assertion and Reason are true and Reason is not the correct explanation of Assertion.
2 Assertion is true but Reason is false.
3 Assertion is false but Reason is true.
4 Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
CHXII03:ELECTROCHEMISTRY

330428 How many kJ of energy is spent when a current of 4 amp passes for 200 second under a potential of 115 V?

1 72 kJ
2 82 kJ
3 52 kJ
4 \({\rm{ - 92 kJ}}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII03:ELECTROCHEMISTRY

330424 For the reduction of silver ions with copper metal, the standard cell potential is 0.46 V at \({\rm{25^\circ C}}\). The value of standard Gibbs energy \({\rm{\Delta }}{{\rm{G}}^{\rm{o}}}\) will be

1 \({\rm{ - 44}}{\rm{.5}}\,\,{\rm{V}}\)
2 \({\rm{ - 98}}{\rm{.0}}\,\,{\rm{kJ}}\)
3 \({\rm{ - 89}}{\rm{.0}}\,\,{\rm{kJ}}\)
4 \({\rm{ - 89}}{\rm{.0}}\,\,{\rm{J}}\)
CHXII03:ELECTROCHEMISTRY

330425 For the cell \(\mathrm{Mg}(\mathrm{s})\left \vert \mathrm{Mg}^{2+}(\mathrm{aq})\right \vert \left \vert \mathrm{Ag}^{+}(\mathrm{aq})\right \vert \mathrm{Ag}(\mathrm{s})\), the maximum work that can be obtained during operation of cell at \(25^{\circ} \mathrm{C}\) is ____.
Given \(\mathrm{E}_{\mathrm{Mg} / \mathrm{Mg}^{2+}}^{0}=+2.37 \mathrm{~V}\) and \(\mathrm{E}_{\mathrm{Ag}^{+} / \mathrm{Ag}}^{\circ}=+0.80 \mathrm{~V}\)

1 \(6.118 \times 10\,{\rm{kJ}}\)
2 \(6.118 \times {10^2}\,{\rm{kJ}}\)
3 \(6.118 \times {10^3}\,{\rm{kJ}}\)
4 \(6.118 \times {10^4}\,{\rm{kJ}}\)
CHXII03:ELECTROCHEMISTRY

330426 \({\rm{\Delta }}{{\rm{G}}^{\rm{o}}}\) of the cell reaction \({\text{AgCl(s) + }}\frac{{\text{1}}}{{\text{2}}}{{\text{H}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{Ag(s) + }}{{\text{H}}^{\text{ + }}}{\text{ + C}}{{\text{l}}^{\text{ - }}}\) \({\rm{is}}\,\,{\rm{ - 21}}{\rm{.52kJ}}\).
\({\rm{\Delta }}{{\text{G}}^{\text{o}}}\,\,{\text{of}}\,\,{\text{2AgCl(s) + }}{{\text{H}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{2Ag(s) + 2}}{{\text{H}}^{{\text{ + }}}}{\text{ + 2C}}{{\text{l}}^{{\text{ - }}}}\) is

1 -21.52 kJ
2 43.04 kJ
3 -10.76 kJ
4 -43.04 kJ
CHXII03:ELECTROCHEMISTRY

330427 Assertion :
In equation \(\Delta_{\mathrm{r}} \mathrm{G}=-\mathrm{nFE}_{\text {cell }}\), value of \(\Delta_{\mathrm{r}} \mathrm{G}\) depends on \(\mathrm{n}\).
Reason :
\({{\text{E}}_{{\text{cell}}}}\) is an intensive property and \(\Delta_{\mathrm{r}} \mathrm{G}\) is an extensive property.

1 Both Assertion and Reason are true and Reason is not the correct explanation of Assertion.
2 Assertion is true but Reason is false.
3 Assertion is false but Reason is true.
4 Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
CHXII03:ELECTROCHEMISTRY

330428 How many kJ of energy is spent when a current of 4 amp passes for 200 second under a potential of 115 V?

1 72 kJ
2 82 kJ
3 52 kJ
4 \({\rm{ - 92 kJ}}\)
CHXII03:ELECTROCHEMISTRY

330424 For the reduction of silver ions with copper metal, the standard cell potential is 0.46 V at \({\rm{25^\circ C}}\). The value of standard Gibbs energy \({\rm{\Delta }}{{\rm{G}}^{\rm{o}}}\) will be

1 \({\rm{ - 44}}{\rm{.5}}\,\,{\rm{V}}\)
2 \({\rm{ - 98}}{\rm{.0}}\,\,{\rm{kJ}}\)
3 \({\rm{ - 89}}{\rm{.0}}\,\,{\rm{kJ}}\)
4 \({\rm{ - 89}}{\rm{.0}}\,\,{\rm{J}}\)
CHXII03:ELECTROCHEMISTRY

330425 For the cell \(\mathrm{Mg}(\mathrm{s})\left \vert \mathrm{Mg}^{2+}(\mathrm{aq})\right \vert \left \vert \mathrm{Ag}^{+}(\mathrm{aq})\right \vert \mathrm{Ag}(\mathrm{s})\), the maximum work that can be obtained during operation of cell at \(25^{\circ} \mathrm{C}\) is ____.
Given \(\mathrm{E}_{\mathrm{Mg} / \mathrm{Mg}^{2+}}^{0}=+2.37 \mathrm{~V}\) and \(\mathrm{E}_{\mathrm{Ag}^{+} / \mathrm{Ag}}^{\circ}=+0.80 \mathrm{~V}\)

1 \(6.118 \times 10\,{\rm{kJ}}\)
2 \(6.118 \times {10^2}\,{\rm{kJ}}\)
3 \(6.118 \times {10^3}\,{\rm{kJ}}\)
4 \(6.118 \times {10^4}\,{\rm{kJ}}\)
CHXII03:ELECTROCHEMISTRY

330426 \({\rm{\Delta }}{{\rm{G}}^{\rm{o}}}\) of the cell reaction \({\text{AgCl(s) + }}\frac{{\text{1}}}{{\text{2}}}{{\text{H}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{Ag(s) + }}{{\text{H}}^{\text{ + }}}{\text{ + C}}{{\text{l}}^{\text{ - }}}\) \({\rm{is}}\,\,{\rm{ - 21}}{\rm{.52kJ}}\).
\({\rm{\Delta }}{{\text{G}}^{\text{o}}}\,\,{\text{of}}\,\,{\text{2AgCl(s) + }}{{\text{H}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{2Ag(s) + 2}}{{\text{H}}^{{\text{ + }}}}{\text{ + 2C}}{{\text{l}}^{{\text{ - }}}}\) is

1 -21.52 kJ
2 43.04 kJ
3 -10.76 kJ
4 -43.04 kJ
CHXII03:ELECTROCHEMISTRY

330427 Assertion :
In equation \(\Delta_{\mathrm{r}} \mathrm{G}=-\mathrm{nFE}_{\text {cell }}\), value of \(\Delta_{\mathrm{r}} \mathrm{G}\) depends on \(\mathrm{n}\).
Reason :
\({{\text{E}}_{{\text{cell}}}}\) is an intensive property and \(\Delta_{\mathrm{r}} \mathrm{G}\) is an extensive property.

1 Both Assertion and Reason are true and Reason is not the correct explanation of Assertion.
2 Assertion is true but Reason is false.
3 Assertion is false but Reason is true.
4 Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
CHXII03:ELECTROCHEMISTRY

330428 How many kJ of energy is spent when a current of 4 amp passes for 200 second under a potential of 115 V?

1 72 kJ
2 82 kJ
3 52 kJ
4 \({\rm{ - 92 kJ}}\)
CHXII03:ELECTROCHEMISTRY

330424 For the reduction of silver ions with copper metal, the standard cell potential is 0.46 V at \({\rm{25^\circ C}}\). The value of standard Gibbs energy \({\rm{\Delta }}{{\rm{G}}^{\rm{o}}}\) will be

1 \({\rm{ - 44}}{\rm{.5}}\,\,{\rm{V}}\)
2 \({\rm{ - 98}}{\rm{.0}}\,\,{\rm{kJ}}\)
3 \({\rm{ - 89}}{\rm{.0}}\,\,{\rm{kJ}}\)
4 \({\rm{ - 89}}{\rm{.0}}\,\,{\rm{J}}\)
CHXII03:ELECTROCHEMISTRY

330425 For the cell \(\mathrm{Mg}(\mathrm{s})\left \vert \mathrm{Mg}^{2+}(\mathrm{aq})\right \vert \left \vert \mathrm{Ag}^{+}(\mathrm{aq})\right \vert \mathrm{Ag}(\mathrm{s})\), the maximum work that can be obtained during operation of cell at \(25^{\circ} \mathrm{C}\) is ____.
Given \(\mathrm{E}_{\mathrm{Mg} / \mathrm{Mg}^{2+}}^{0}=+2.37 \mathrm{~V}\) and \(\mathrm{E}_{\mathrm{Ag}^{+} / \mathrm{Ag}}^{\circ}=+0.80 \mathrm{~V}\)

1 \(6.118 \times 10\,{\rm{kJ}}\)
2 \(6.118 \times {10^2}\,{\rm{kJ}}\)
3 \(6.118 \times {10^3}\,{\rm{kJ}}\)
4 \(6.118 \times {10^4}\,{\rm{kJ}}\)
CHXII03:ELECTROCHEMISTRY

330426 \({\rm{\Delta }}{{\rm{G}}^{\rm{o}}}\) of the cell reaction \({\text{AgCl(s) + }}\frac{{\text{1}}}{{\text{2}}}{{\text{H}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{Ag(s) + }}{{\text{H}}^{\text{ + }}}{\text{ + C}}{{\text{l}}^{\text{ - }}}\) \({\rm{is}}\,\,{\rm{ - 21}}{\rm{.52kJ}}\).
\({\rm{\Delta }}{{\text{G}}^{\text{o}}}\,\,{\text{of}}\,\,{\text{2AgCl(s) + }}{{\text{H}}_{\text{2}}}{\text{(g)}} \rightleftharpoons {\text{2Ag(s) + 2}}{{\text{H}}^{{\text{ + }}}}{\text{ + 2C}}{{\text{l}}^{{\text{ - }}}}\) is

1 -21.52 kJ
2 43.04 kJ
3 -10.76 kJ
4 -43.04 kJ
CHXII03:ELECTROCHEMISTRY

330427 Assertion :
In equation \(\Delta_{\mathrm{r}} \mathrm{G}=-\mathrm{nFE}_{\text {cell }}\), value of \(\Delta_{\mathrm{r}} \mathrm{G}\) depends on \(\mathrm{n}\).
Reason :
\({{\text{E}}_{{\text{cell}}}}\) is an intensive property and \(\Delta_{\mathrm{r}} \mathrm{G}\) is an extensive property.

1 Both Assertion and Reason are true and Reason is not the correct explanation of Assertion.
2 Assertion is true but Reason is false.
3 Assertion is false but Reason is true.
4 Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
CHXII03:ELECTROCHEMISTRY

330428 How many kJ of energy is spent when a current of 4 amp passes for 200 second under a potential of 115 V?

1 72 kJ
2 82 kJ
3 52 kJ
4 \({\rm{ - 92 kJ}}\)