Q.If $E^\circ_{Fe^{2+}/Fe} = -0.441 \text{ V}$ and $E^\circ_{Fe^{3+}/Fe^{2+}} = 0.771 \text{ V}$ , the standard EMF of the reaction $Fe + 2Fe^{3+} \rightarrow 3Fe^{2+}$ will be:

1.212 \text{ V}

0.111 \text{ V}

0.330 \text{ V}

1.653 \text{ V}

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Q.If EFe2+/Fe∘=−0.441 VE^\circ_{Fe^{2+}/Fe} = -0.441 \text{ V}EFe2+/Fe∘​=−0.441 V and EFe3+/Fe2+∘=0.771 VE^\circ_{Fe^{3+}/Fe^{2+}} = 0.771 \text{ V}EFe3+/Fe2+∘​=0.771 V, the standard EMF of the reaction Fe+2Fe3+→3Fe2+Fe + 2Fe^{3+} \rightarrow 3Fe^{2+}Fe+2Fe3+→3Fe2+ will be: