18. Grignard reagents react with oxirane (ethylene oxide) to form 1o
-alcohols but can be prepared in tetrahydrofuran solvent.
Why is this difference in behavior observed?
(A) Steric hindrance in the case of tetrahydrofuran precludes reaction with the Grignard.
(B) There is a better leaving group in the oxirane molecule.
(C) The oxirane ring is the more highly strained.
(D) It is easier to obtain tetrahydrofuran in anhydrous condition.
(E) Oxirane is a cyclic ether, while tetrahydrofuran is a hydrocarbon.
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