Electrochemistry JEE Main Solution| Nernst Equation Cell PYQ

JEE MAIN 2025

29-01-2025 SHIFT-1

Question

For a ${\rm{Mg}}\left| {{\rm{M}}{{\rm{g}}^{2 + }}({\rm{aq}})} \right|\left| {{\rm{A}}{{\rm{g}}^ + }({\rm{aq}})} \right|{\rm{Ag}}$ the correct Nernst Equation is :

Select the correct option:

${{\rm{E}}_{{\rm{cell }}}} = {\rm{E}}_{{\rm{cell }}}^{\rm{o}} + \frac{{{\rm{RT}}}}{{2\;{\rm{F}}}}\ln \frac{{{{\left[ {{\rm{A}}{{\rm{g}}^ + }} \right]}^2}}}{{\left[ {{\rm{M}}{{\rm{g}}^{2 + }}} \right]}}$

${{\rm{E}}_{{\rm{cell }}}} = {\rm{E}}_{{\rm{cell }}}^{\rm{o}} - \frac{{{\rm{RT}}}}{{2\;{\rm{F}}}}\ln \frac{{{{\left[ {{\rm{A}}{{\rm{g}}^ + }} \right]}^2}}}{{\left[ {{\rm{M}}{{\rm{g}}^{2 + }}} \right]}}$

${{\rm{E}}_{{\rm{cell }}}} = {\rm{E}}_{{\rm{cell }}}^{\rm{o}} - \frac{{{\rm{RT}}}}{{2\;{\rm{F}}}}\ln \frac{{\left[ {{\rm{A}}{{\rm{g}}^ + }} \right]}}{{\left[ {{\rm{M}}{{\rm{g}}^{2 + }}} \right]}}$

${{\rm{E}}_{{\rm{cell }}}} = {\rm{E}}_{{\rm{cell }}}^{\rm{o}} - \frac{{{\rm{RT}}}}{{2\;{\rm{F}}}}\ln \frac{{\left[ {{\rm{M}}{{\rm{g}}^{2 + }}} \right]}}{{\left[ {{\rm{A}}{{\rm{g}}^ + }} \right]}}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution