The standard reduction potentials for the following half-reactions are: (i) Zn^ 2+ +2e^- Zn (s), E^ =-0.762...

Question

The standard reduction potentials for the following half-reactions are: (i) Zn^ 2+ +2e^- Zn (s), E^ =-0.762 V; (ii) Cr^ 3+ +3e^- Cr (s), E^ =-0.740 V; (iii) 2 H^+ +2e^- H_2 (g), E^ =0.000 V; (iv) Fe^ 3+ +e^- Fe^ 2+ , E^ =+0.77 V. Which is the strongest reducing agent?

Accepted Answer

(A)

JEE Main Chemistry question

Solution

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