Given: C o 3 + + e - → C o 2 + ; E ° = + 1.81 V P b 3 + + 2 e - → P b 2 + ; E ° = + 1…

1. $\mathrm{C}{\mathrm{o}}^3+<\mathrm{C}{\mathrm{e}}^{4+}<\mathrm{B}{\mathrm{i}}^{3+}<\mathrm{P}{\mathrm{b}}^{4+}$
2. ${\mathrm{B}\mathrm{i}}^3+<\mathrm{C}{\mathrm{e}}^{4+}<{\mathrm{P}\mathrm{b}}^{4+}<{\mathrm{C}\mathrm{o}}^{3+}$
3. $\mathrm{C}{\mathrm{o}}^3+<{\mathrm{P}\mathrm{b}}^{4+}<{\mathrm{C}\mathrm{e}}^{3+}<{\mathrm{B}\mathrm{i}}^{4+}$
4. $\mathrm{C}{\mathrm{e}}^4+<{\mathrm{P}\mathrm{b}}^{4+}<{\mathrm{B}\mathrm{i}}^{3+}<{\mathrm{C}\mathrm{o}}^{3+}$

Solution

Asked in: JEE Main 2019 (12 Apr Shift 1)

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