Which of the following cannot be reduced by H | vedclass

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(B) $H_2O_2$ acts as both an oxidizing and a reducing agent. In the case of $Fe^{3+}$,it is already in its highest oxidation state $(+3)$ for iron in

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$Fe^{3+}$

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(B) $H_2O_2$ acts as both an oxidizing and a reducing agent. In the case of $Fe^{3+}$,it is already in its highest oxidation state $(+3)$ for iron in common compounds,and $H_2O_2$ cannot reduce it to $Fe^{2+}$. Conversely,$H_2O_2$ reduces $Ag_2O$ to $Ag$,and it reduces acidified $KMnO_4$ and $K_2Cr_2O_7$ to $Mn^{2+}$ and $Cr^{3+}$ respectively.

Which of the following cannot be reduced by $H_2O_2$?

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