Question

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Friedel-Crafts acylation reactions cannot be performed on aniline because: The amino group attacks the Lewis acid to form an acid-base complex in which the aromatic ring is strongly deactivated. The amino group is strongly activating and multiple substitutions occur on the aromatic ring. The amino group is strongly deactivating preventing any substitution on the aromatic ring. The amino group gets acylated instead of the aromatic ring.

Answer 1

* Aniline does not undergo Friedel craft's reactions because the lone pair of nitrogen present in aniline attacks on AlCl₃ (lewis acid) to form an insoluble complex which precipitates out and the reaction does not proceed.

So, option (1) the amino group attacks the lewis acid to form an acid-base complex in which the aromatic ring is strongly deactivated is the correct answer.

enzon # И ИО - Due to 6-c atoms, 0 Total Chiral centres=3 } Due to betone group, it is ketose backbone. -on SHon > D-Configuration u# H it is as of Hexose schon -on is on family right side of last chiral C-atom. So, /option (1) D, hexose, betose, 3 is the Correct answer.