A solution contains Fe^{2+},Fe^{3+} and I^{-} ions.This solution was treated with iodine at 35°C.E° for {Fe^{3+}}\/{Fe^{2+}} is +0.77V and E^\circ for I_2\/{2I^{-}}=0.536V.The favorable redox reaction is (2011 Mains)

Correct Answer is : I− will be oxidised to I2

there will be no redox reaction

Fe^{2+} will be oxidised to Fe^{3+}

Class 12 NEET Chemistry Electrochemistry Questions

Question : 44 of 74

Marks: +1, -0

A solution contains Fe2+,Fe3+ and I− ions.This solution was treated with iodine at 35°C.E° for Fe3+∕Fe2+ is +0.77V and E° for I2∕2I−=0.536V.The favorable redox reaction is

(2011 Mains)

I2 will be reduced to I
there will be no redox reaction
I− will be oxidised to I2
Fe2+ will be oxidised to Fe3+

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