Question 10

The correct order of the following oxidizing agents in basic aqueous medium, given that 

$$\text{CrO}_4^{2-}/\text{Cr}^{3+}$$ has $$E^\circ = -0.11$$ V, 

$$\text{FeO}_4^{2-}/\text{Fe}^{3+}$$ has $$E^\circ = +0.72$$ V and 

$$\text{MnO}_4^{2-}/\text{Mn}^{3+}$$ has $$E^\circ = +0.46$$ V, is

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