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Problem:
The following reaction takes place.
Left hand electrode (cathode): H2(g)-(aq) → 2H2O(I) + 2e-
Right hand electrode (anode): O2(g) + 2H2O(I) + 4e- → 4OH-(aq)
i. Use the Data Booklet to calculate E?cell for this reaction.
ii. Construct an equation for the overall reaction.
iii. By using one of the phrases more positive, more negative of no change, deduce the eefect of increasing [OH-(aq)] on the electrode potential of
The left hand electrode
The right hand electrode
iv. Hence deduce whether the overall Ecell is likely to increase, decrease or no change or remain the same, when [OH-(aq)] increases. Explain your answer.
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