What type of alcohol is the crotonyl alcohol?

Step-by-step solution

Crotonyl alcohol has the structure CH ₃- CH = CH - CH ₂- OH , where the hydroxyl group is bonded to a saturated carbon atom adjacent to a carbon-carbon double bond. This defines it as an allylic alcohol . Among the options, allylic alcohol describes an alcohol with the - OH group on an sp ³ carbon adjacent to a double bond, benzylic alcohol requires an aromatic ring, vinylic alcohol has the -OH directly attached to an sp ² carbon of the double bond, and polyhydric alcohol contains multiple hydroxyl groups. Only all