Grignard Reagents React with Oxirane (Ethylene Oxide)to Form 1 ^$\circ$ Alcohols but Can Be Prepared in Tetrahydrofuran Solvent

question 208

Multiple Choice

Grignard reagents react with oxirane (ethylene oxide) to form 1 ^$\circ$ 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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