Chapter 5, Problem 39RQ

For the following reactions, identify the substance oxidized, the substance reduced, the oxidizing agent, and the reducing agent.

$\begin{array}{l}\left(\text{a}\right){\text{2HNO}}_{\text{3}}{\text{+3H}}_{\text{3}}{\text{AsO}}_{\text{3}}\stackrel{}{\to }\hfill \\ {\text{ 2NO + 3H}}_{\text{3}}{\text{AsO}}_{\text{4}}{\text{+ H}}_{\text{2}}\text{O}\hfill \\ \left(\text{b}\right)\text{ NaI + 3HOCl }\stackrel{}{\to }{\text{NaIO}}_{\text{3}}\text{+ 3HCl}\hfill \\ \left(\text{c}\right){\text{ 2KMnO}}_{\text{4}}{\text{+ 5H}}_{\text{2}}{\text{C}}_{\text{2}}{\text{O}}_{\text{4}}{\text{+ 3H}}_{\text{2}}{\text{SO}}_{\text{4}}\stackrel{}{\to }\hfill \\ {\text{ 10CO}}_{\text{2}}{\text{+ K}}_{\text{2}}{\text{SO}}_{\text{4}}{\text{+ 2MnSO}}_{\text{4}}{\text{+ 8H}}_{\text{2}}\text{O}\hfill \\ \left(\text{d}\right){\text{6H}}_{\text{2}}{\text{SO}}_{\text{4}}\text{+2Al}\stackrel{}{\to }{\text{Al}}_{\text{2}}{\left({\text{SO}}_{\text{4}}\right)}_{\text{3}}{\text{+3SO}}_{\text{2}}{\text{+6H}}_{\text{2}}\text{O}\hfill \end{array}$