Question Detail
Question
What is the name for a three-membered ring containing one oxygen atom?
Correct Answer
Option B is the correct answer.
Detailed Explanation
Oxirane is the IUPAC name for a three-membered cyclic ether (epoxide). Oxetane is 4-membered, oxolane is 5-membered (THF), oxane is 6-membered.
Hint
Three-membered ring = oxirane.