36. Which of the following structures is the most important contributor to the resonance hybrid formed when anisole undergoes ortho-bromination?

32. Distillation of mixtures of ethanol and water cannot increase the ethanol content of the mixture above 95% because this solution boils at a lower temperature than either pure ethanol or pure water. The term which describes this lower boiling mixture is _____. (A) miscible (B) azeotrope (C) isoniazide (D) epimerization (E) none of these