Published by:
CGP EDU Academic Team
Published on: August 14, 2026
The standard potentials at 298 K for the following half reactions are as given
Zn 2+ + 2e 
Zn Eº = –0.762 V
2H + + 2e → H 2 (g) Eº = 0.000 V
Cr 3+ + 3e 
Cr Eº = – 0.740 V
Fe 3+ + 2e → Fe 2+ Eº = 0.772 V
Which of the following is the strongest reducing agent?
Text Solution
Verified by ExpertsThe correct answer is:
A
More negative the standard potential, least the reduction tendency of the ion. The corresponding atom has largest oxidation tendency and thus is a strong reducing agent. Zn is the strongest reducing agent.
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