Identify Each of the Requested Compounds for the Following Redox $\rightarrow$

Identify each of the requested compounds for the following redox reaction.
2 MnO₄ ^- (aq) + 16 H⁺(aq) + 10 Cl ^- (aq) $\rightarrow$ 2 Mn²⁺(aq) + 8 H₂O + 5 Cl₂(g)
(I) oxidizing agent
(II) reducing agent
(III) conjugate oxidizing agent
(IV) conjugate reducing agent