1.

LiAlH_(4) is a best reagent to prepare unsaturated alcohol. Prove it.

Answer»

Solution :`LiAlH_(4)` (Lithium Aluminium Hydride) does not reduce the carbon - carbon double 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)overset(LiAlH_(4))underset(H_(2)O)rarrunderset("(but -2- EN -1- ol)")underset("Crotyl alcohol")(CH_(3)-CH=CH-CH_(2)OH)`


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