MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryCarboxylic Acids and DerivativesCH CH CH Cl CO H
Why the aromatic carboxylic acids do not undergo Friedel-Crafts reaction?
A.Carboxyl group acts as an activating and meta-
B.Carboxyl group act as a deactivating and meta-✓ Correct
C.Carboxyl group act as an activating and ortho-
D.Carboxyl group acts as deactivation and the
Explanation
Aromatic carboxylic acids do not undergo Friedel- Crafts reaction because the carboxyl group is deactivating and the catalyst aluminium chloride (Lewis acid) gets bonded to the carboxyl group.