Question

Explain why the reaction of halide with aqueous KOH produce alcohol but in presence of alcoholic KOH give alkene

Answer 1

Explanation:

because aq. KOH undergoes substitution reaction where substitution of halide with alcohol takes place. whereas in case of

alc.KOH, elimination reaction takes place

in which a-hydrogen reacts with OH- to give water and K with halide to form K-X,

and main product form is alkene.