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Chemistry · 2025 · 1 mark
CBSE 2025 · Region 1 · Set 1 · Q2
Standard electrode potential for Sn^4+ / Sn^2+ couple is +0.15 V and that for the Cr^3+ / Cr couple is -0.74 V. The two couples in their standard…
Standard electrode potential for $\displaystyle \mathrm{Sn}^{4+} / \mathrm{Sn}^{2+}$ couple is +$\displaystyle 0.15$ V and that for the $\displaystyle \mathrm{Cr}^{3+} / \mathrm{Cr}$ couple is -$\displaystyle 0.74$ V . The two couples in their standard states are connected to make a cell. The cell potential will be
Official answer
(B)
+$\displaystyle 0.89$ V
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