The common substituent name sec-butyl corresponds to which systematic substituent name?
Abutan-1-yl
B2-methylpropan-2-yl
Cbutan-2-yl
D2-methylpropyl
Answer & Solution
Correct answer: C. butan-2-yl
sec-Butyl is the substituent obtained by removing a hydrogen from carbon 2 of butane, so its systematic name is butan-2-yl. Option B is tert-butyl, and option D corresponds to isobutyl.
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