Question

preperation of alkeme

Answer 1

Alkenes: Preparations. Alkenes are generally preparedthrough β elimination reactions, in which two atoms on adjacent carbon atoms are removed, resulting in the formation of a double bond. Preparations include the dehydration of alcohols, the dehydrohalogenation of alkyl halides, and the dehalogenation of alkanes.

Answer 2

Dehydration of alcohol
Dehalogenation of alkanes