Which among the following is allylic secondary alcohol?

Which among the following is allylic secondary alcohol?
  1. But-2-en-1-ol
  2. But-3-en-2-ol
  3. 2 -Methyl but-3-en-2-ol
  4. Prop-2-en-1-ol

Solution

"An allylic alcohol in which the carbon atom that links the double bond to the hydroxy group is also attached to one other carbon and one hydrogen. A secondary alcohol is a compound in which a hydroxy group, OH, is attached to a saturated carbon atom which has two other carbon atoms attached to it."

Asked in: MHT CET 2020 (14 Oct Shift 2)

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