27. Which of the following compounds will not undergo Friedel-Crafts acylation when treated with CH3CH2COC1, AlCl3?(A) toluene (B) p-xylene (C) anisole (D) benzophenone (E) ethoxybenzene

7. Predict the specific rotation of the compound shown.(A) It is impossible to predict; it must be determined experimentally.(B) Because both asymmetric centers are R, the compound is dextrorotatory.(C) Because both asymmetric centers are S, the compound is dextrorotatory.(D) Zero; the compound is achiral.(E) Because this compound represents a racemic mixture, the compound is dextrorotatory.

27. Which of the following compounds will not undergo Friedel-Crafts acylation when treated with CH₃CH₂COC1, AlCl₃?
(A) toluene
(B) p-xylene
(C) anisole
(D) benzophenone
(E) ethoxybenzene

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