${Zn}^{2 +} + 2e^{-} \rightarrow Zn(s),\ E{^\circ} = - 0.76$ $Fe^{3 +} + e^{-} \rightarrow {Fe}^{2 +},\ E{^\circ} = - 0.77$ ${Cr}^{3 +} + 3e^{-} \rightarrow Cr,\ E{^\circ} = - 0.79$ $H^{+} + e^{-} \rightarrow \frac{1}{2}\ H_{2},\ E{^\circ} = 0.00$ Strongest reducing agent is

Question

Dr. Abubacker · Accepted Answer

The correct answer is Option D: $Cr$.

Q. ${Zn}^{2 +} + 2e^{-} \rightarrow Zn(s),\ E{^\circ} = - 0.76$ $Fe^{3 +} + e^{-} \rightarrow {Fe}^{2 +},\ E{^\circ} = - 0.77$ ${Cr}^{3 +} + 3e^{-} \rightarrow Cr,\ E{^\circ} = - 0.79$ $H^{+} + e^{-} \rightarrow \frac{1}{2}\ H_{2},\ E{^\circ} = 0.00$ Strongest reducing agent is

Explanation

Reviewed by Dr. Abubacker

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