Silver chloride undergoes a reaction when it is exposed to light. Which row shows what happens to the silver during this process?
- A$\text{Ag} \rightarrow \text{Ag}^+ + e^-\,$, oxidation
- B$\text{Ag} \rightarrow \text{Ag}^+ + e^-\,$, reduction
- C$\text{Ag}^+ + e^- \rightarrow \text{Ag}\,$, oxidation
- D$\text{Ag}^+ + e^- \rightarrow \text{Ag}\,$, reduction