GKFix MCQ Question

Which reagent is used to generate the acylium ion (CH3CO+) for acetylating benzene?

• A. Acetic acid (CH3COOH)
• B. Acetic anhydride ((CH3CO)2O)
• C. Acetyl chloride (CH3COCl)
• D. Ethyl acetate (CH3COOC2H5)