MHT CET 2023 Chemistry question

Which of the following is tertiary allylic alcohol?

(A)Prop-2-en-1-ol
(B)But-3-en-2-ol
(C)2-Methylprop-2-en-1-ol
(D)2-Methylbut-3-en-2-olCorrect

Answer: (D)

Solution

An allylic alcohol has the OH group on an carbon that is directly attached to a carbon; it is tertiary if that carbinol carbon carries no hydrogen (three carbon groups attached). (d) 2-Methylbut-3-en-2-ol is \mathrm{CH_2{=}CH{-}C(CH_3)_2{-}OH}: the carbinol carbon is bonded to a vinyl

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Question ID VK-095156