Chemistry - Aromatic Hydrocarbon Question with Solution | TestHub

What is Y in the following sequence of reactions?

$\text{2-methyl-2-bromo propane}\underset{\text{dry}\text{ether}}{\overset{\text{Mg}}{\to }}\text{X}\stackrel{{\text{H}}_{\text{2}}\text{O}}{\to }\text{Y}$