SATHEE: Redox Reactions And Electrochemistry Ques 589

Redox Reactions And Electrochemistry Ques 589

Question: Electrode potential of the half cell $P t (s) | H g (l) |$ $H g_{2} C l_{2} (s) | C l^{-} (a q)$ can be increased by:

Options:

A) Increasing $[C l^{-}]$

B) Decreasing $[C l^{-}]$

C) Increasing $H g_{2} C l_{2} (s)$

D) Decreasing $H g (l)$

Show Answer

Answer:

Correct Answer: B

Solution:

[b] $E = E^{\circ} - \frac{0.0591}{2} \log \frac{1}{{[C l^{-}]}^{2}}; a s, [C l^{-}] ↓, E ↑$

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