For the given cell | Electrochemistry | JEE-Main 2020

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JEE MAIN 2020

06-09-2020 S2

Question

For the given cell; $$ \mathrm{Cu}(\mathrm{~s})\left|\mathrm{Cu}^{2+}\left(\mathrm{C}_1 \mathrm{M}\right) \| \mathrm{Cu}^{2+}\left(\mathrm{C}_2 \mathrm{M}\right)\right| \mathrm{Cu}(\mathrm{~s}) $$ change in Gibbs energy ( $\Delta \mathrm{G}$ ) is negative, if

Select the correct option:

A

$\mathrm{C}_2=\sqrt{2} \mathrm{C}_1$

B

$\mathrm{C}_2=\frac{\mathrm{C}_1}{\sqrt{2}}$

C

$\mathrm{C}_1=2 \mathrm{C}_2$

D

$\mathrm{C}_1=\mathrm{C}_2$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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