Poly substitution is a major drawback in(a)Reimer Tiemann reaction(b)Friedel Crafts acylation(c)Friedel Crafts alkylation(d)acetylation of aniline.

Poly substitution is a major drawback in(a)Reimer Tiemann reaction(b)F

1.	Poly substitution is a major drawback in(a)Reimer Tiemann reaction(b)Friedel Crafts acylation(c)Friedel Crafts alkylation(d)acetylation of aniline.
Answer» REIMER Tiemann reaction FRIEDEL CRAFTS ACYLATION Friedel Crafts alkylation acetylation of aniline. Answer :C