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Calculate the emf and for the cell reaction at : Given and . Define the following terms: (1)…
(i)
Calculate the emf and $\Delta G^\circ$ for the cell reaction at $25^\circ\text{C}$:
$\text{Zn}(s) \mid \text{Zn}^{2+}(aq, 0\cdot1\text{ M}) \parallel \text{Cd}^{2+}(aq, 0\cdot01\text{ M}) \mid \text{Cd}(s)$
Given $E^\circ_{\text{Zn}^{2+}/\text{Zn}} = -0\cdot763\text{ V}$ and $E^\circ_{\text{Cd}^{2+}/\text{Cd}} = -0\cdot403\text{ V}$.
(ii)
Define the following terms:
(1) Equivalent conductivity
(2) Corrosion of metals
Answer
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From ISC 2018 Chemistry Paper 1, question 16(a).