MediumChemistry
+4 / -1
Given; Co3+ + e− → Co2+ ; E° = +1.81V Pb4+ + 2e− → Pb2+ ; E° = +1.67V Ce4+ + e− → Ce3+ ; E° = +1.61V Oxidizing power of the species will increase in the order:
A
Pb4+ < Ce4+ < Co3+
B
Co3+ < Pb4+ < Ce4+
C
Co3+ < Ce4+ < Pb4+
D
Ce4+ < Pb4+ < Co3+
Explanation
Greater is the positive value of standard reduction potential, stronger is the oxidizing behavior.
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