Predict the major organic product of the following reaction.

Predict the products of the following reactions.

(j)

(k)

(l)

Triethylene glycol is one of the products obtained from the reaction of excess ethylene oxide and hydroxide ion. Propose a mechanism for its formation.

Propose mechanisms for the epoxidation and ring-opening steps of the epoxidation and hydrolysis of trans-but-2-ene shown above. Predict the product of the same reaction with cis-but-2-ene.

The reactivity of cyclopropanes often mimics that of alkenes.

(a) On the basis of this, suggest a mechanism for the following reaction.

Propose mechanisms consistent with the following reactions.

(g)