For the Cell Diagram
Pt|H₂(g),H⁺(aq)M Cu²⁺(aq)|Cu(s)
Which Reaction Occurs at the Anode

For the cell diagram
Pt|H₂(g) ,H⁺(aq) M Cu²⁺(aq) |Cu(s)
Which reaction occurs at the anode?

A) Cu(s) $\rightarrow$ Cu²⁺(aq) + 2e^-
B) 2H⁺(aq) + 2e^- $\rightarrow$ H₂(g)
C) 2H⁺(aq) + Cu(s) $\rightarrow$ H₂(g) + Cu²⁺(aq)
D) Cu²⁺(aq) + 2e^- $\rightarrow$ Cu(s)
E) H₂(g) $\rightarrow$ 2H⁺(aq) + 2e^-