Which of the following will behave as best reducing agent? Given Al3+ + 3e- → Al E° = - 1.66 V Co3+ + e- → Co2+ E° = 1.81 V Fe3+ + e- → Fe2+ E° = 0.77 V Cd2+ + 2e- → Cd E° =- 0.4 V

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Question

Which of the following will behave as best reducing agent? Given​ ​ Al3+ + 3e- → Al​ E° = - 1.66 V ​ ​ Co3+ + e- → Co2+​ E° = 1.81 V ​ ​ Fe3+ + e- → Fe2+​ E° = 0.77 V ​ ​ Cd2+ + 2e- → Cd​ E° =- 0.4 V

A) Al
B) Co2+
C) Fe2+
D) Cd

Prashant Kotian · Accepted Answer

Correct answer: A

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