NEET UG CHEMISTRY MCQ: HYDROCARBONS

1 Hard

1 of 1

Understanding +4 | -1

S-I: Friedal Crafts Acylation of benzene with acetic anhydride in presence of anhydrous

{AlCl}_3

yields acetophenone and not poly substituted products.
S-II: It is due to stearic hindrance of bulky actyl group

C{H_3} - \mathop {{\text{ }}C}\limits^{\begin{array}{cccccccccccccccccccc} O \\ \parallel \end{array}}-

and also, it is a deactivating group.

View answer and explanation

Correct option: A

S-I

\&

S-II are true

S-I

\& S-II are true because Friedel-Crafts acylation yields acetophenone due to deactivation and steric hindrance of the acyl group, preventing polysubstitution.

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