Question

Indicate the position where the electrophile can attack in the following compounds:

Answer 1

i) Methyl is ortho -para directing group. $2,4,6$ positions are favorable.

ii) $COOH$ group is meta directing group-3 and 5 positions are favorable.

iii) $Cl$ & $C{H}_3$ are ortho para directly groups 2,4,6 positions are favorable.