Consider the following reactions $\begin{aligned} & \mathrm{Cs}+\mathrm{O}_2 \text { (excess) } \rightarrow \mathrm{X} \\ & \mathrm{Na}+\mathrm{O}_2 \rightarrow \mathrm{Y} \end{aligned}$
Identify the correct statement about $X$ and $Y$

• A

  Y is monoxide and X is superoxide
• B

  Y is peroxide and X is peroxide
• Correct answer
  C

  Y is peroxide and X is superoxide
• D

  Y is superoxide and X is peroxide

Hence, the correct answer is option: 'C'.