Multiple choice

Assertion: Friedel-Crafts reaction between benzene and acetic anhydride in the presence of anhydrous AlCl3 yield. Reason: Acetophenone formed poisons the catalyst preventing further reaction.

  1. Both A and R are true and R is the correct explanation of A.

  2. Both A and R are true but R is NOT the correct explanation of A.

  3. A is true but R is false.

  4. A is false but R is true.

  5. Both A and R are false.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This option is correct because CH3CO group in acetophenone being electron withdrawing reduces the electron density in the benzene ring-thereby preventing further electrophilic substitution.

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