Question: The (+)-stereoisomer of 2-methyloxirane reacts with aqueous NaOH to give the (R)-(-)- stereo isomer of 1,2-propanediol. Use this observation to propose the absolute stereochemical configuration

The (+)-stereoisomer of 2-methyloxirane reacts with aqueous NaOH to give the (R)-(-)- stereo isomer of 1,2-propanediol. Use this observation to propose the absolute stereochemical configuration of (+)-2-methyloxirane.

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