Question: The increasing order of reactivity of the following compounds towards aromatic electrophilic substitution reaction is :
$\mathrm{D}<\mathrm{B}<\mathrm{A}<\mathrm{C}$
$\mathrm{A}<\mathrm{B}<\mathrm{C}<\mathrm{D}$
$\mathrm{D}<\mathrm{A}<\mathrm{C}<\mathrm{B}$
$\mathrm{B}<\mathrm{C}<\mathrm{A}<\mathrm{D}$
Correct Option: 3,
Solution:
