Chemistry - Aromatic Hydrocarbon Question with Solution | TestHub

$\stackrel{\text{Cold}\text{dil}\text{.}\text{alk}{\text{.KMnO}}_4}{\to }\text{X}\stackrel{{\text{HIO}}_4}{\to }\text{Y}\stackrel{{\text{OH}}^{-}}{\to }\text{Z}$

In the above sequence of reactions, Z is