Chemistry · 2020
JEE Main · 6 September 2020, Shift 2 · Q45
For the given cell; Cu ( s )| Cu^2+( C_1 M )|| Cu^2+( C_2 M )| Cu ( s ) change in Gibbs energy ( Δ G ) is negative, if:
For the given cell ;
$\displaystyle \mathrm{Cu}(\mathrm{s})\left|\mathrm{Cu}^{2+}\left(\mathrm{C}_1 \mathrm{M}\right)\right|\left|\mathrm{Cu}^{2+}\left(\mathrm{C}_2 \mathrm{M}\right)\right| \mathrm{Cu}(\mathrm{s})$
change in Gibbs energy ( $\displaystyle \Delta \mathrm{G}$ ) is negative, if :
Official answer
(3)
$\displaystyle C_2=\sqrt{2} C_1$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.