The base-catalyzed ring opening of an epoxide takes place predominantly via which mechanism?

Which of the following acts as an electrophile and is NOT a nucleophile?

In elimination reactions of cycloalkyl systems forming alkenes, the mechanism proceeding via a trans intermediate involves which type of elimination?

Consider the following reaction: Ph - CH = CH2 + HBr → Product (in the presence of (PhCOO)2) Identify the correct statements from the choices below: A. The reaction proceeds through a more stable radical intermediate. B. The role of peroxide is to generate H• (Hydrogen radical). C. During this reaction, benzene is formed as a byproduct. D. 1-Bromo-2-phenylethane is formed as the major product. E. The same reaction in the absence of peroxide proceeds via a carbocation intermediate.