Chemistry - Aromatic Hydrocarbon Question with Solution | TestHub

${\mathrm{E}}^{\oplus }$ attacks preferably at-o position to ${\mathrm{CH}}_3$

${\mathrm{E}}^{\oplus }$ attacks preferably at-o position to ${\mathrm{CD}}_3$

${\mathrm{E}}^{\oplus }$ can attacks preferably at equally at any of the four position

Not predicable here.