Refer to the Following Reaction Which Occurs in Basic Solution $\rightarrow$

Multiple Choice

refer to the following reaction which occurs in basic solution.
CrO₄^2- + PH₃ $\rightarrow$ Cr(OH) ₄^- + P₄
-Which of the following are oxidizing agents in the forward and reverse directions, respectively?

A) CrO₄^2- and PH₃
B) CrO₄^2- and P₄
C) Cr(OH) ₄^- and PH₃
D) Cr(OH) ₄^- and P₄
E) CrO₄^2- and OH^-