Electronlysis of X gives Y at anode. Vacuum distillation of Y gives $H_2O_2$. The number of peroxy (O-O) bonds present in X and Y respectively are :

Question

$$\begin {array} {1 1} (a)\;1,1 & \quad (b)\;1,2 \\ (c)\;zero,1 & \quad (d)\;zero,zero \end {array}$$