1.

LiAlH_4is a best reagent to prepare unsaturated alcohol. Prove it.

Answer»

Solution :`LiAlH_4` (LITHIUM Aluminium HYDRIDE) does not reduce the carbon-carbondouble BOND present in the carbonyl compound and hence it is the BEST reagent to prepare UNSATURATED alcohol.
`underset(("Prop - 2- enal"))underset("Crotanaldehyde")(CH_3-CH=CH-CHO)underset(H_2O)overset(LiAlH_4)tounderset(("but-2-en-1-ol"))underset("Crotyl alcohol")(CH_3-CH = CH - CH_2OH)`


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