Đáp án C
3 – metylbut-2-en
CH3 – CH – CH = CH2 + H2O à CH3 – CH – CH(OH) – CH3
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CH3 CH3 (3-metylbut-2-ol)
CH3 – CH – CH – CH3 à CH3 – C = CH – CH3 + H2O
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CH3 OH CH3 (2-metylbut-2-en)
CH3 – C = CH – CH3 + H2O à CH3 – C(OH) – CH2 – CH3
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CH3 CH3 (2-metylbut-2-ol)