Question
Write overall cell reaction for lead storage battery when the battery is being charged.
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2 Fe3+ (aq) + 2 I- (aq) $\longrightarrow$ 2 Fe2+ (aq) + I2(s)
has $\text{E}^0_{\text{cell}}$ = 0·236 V at 298 K. Calculate the standard Gibbs energy of the cell reaction. (Given : 1 F = 96,500 C mol-1)