Question: Polysubstitution is a major drawback in :
Friedel Craft's alkylation
Reimer Tiemann reaction
Acetylation of aniline
Friedel Craft's acylation
Correct Option: 1
Solution:
Polysubstitution is a major drawback in Friedel Craft's alkylation because the introduced alkyl group is activating and gives polyalkylated product.