Given; E _ Cr ^ 3+ / Cr ^ - =-0.72 ~V , E _ Ft ^ 2+ / Fr =-0.42 ~V . The potential for…
Chemistry · NEET · NTA Exams — Electrochemistry
Given; \(\mathrm{E}_{\mathrm{Cr}^{3+} / \mathrm{Cr}^{-}}=-0.72 \mathrm{~V}, \mathrm{E}_{\mathrm{Ft}^{2+} / \mathrm{Fr}}=-0.42 \mathrm{~V} .\) The potential for the cell \(\mathrm{Cr}\left|\mathrm{Cr}^{3+}(0.1 \mathrm{M})\right|\left|\mathrm{Fe}^{2+}(0.01 \mathrm{M})\right| \mathrm{Fe}\) is:
- 0.26 V
- 0.399 V
- -0.339 V
- -0.26 V
Answer
(C) -0.339 V
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