Question

How to prepare chloro ethene from ethanol

Answer 1

Explanation:

For the preparation of chloroethane,

A. HCl gas is passed through ethanol.

B. ethanol is treated with thionyl chloride in the presence of dimethyl amine or pyridine.

C. ethyl sulphide is treated with hydrogen chloride.

D. any of the above methods can be employed.

Answer 2

Question:

How to prepare ethene from ethanol?

Answer:

By treating ethanol with concentrated sulphuric acid, ethene can be prepared because concentrated sulphuric acid is a good dehydrating agent. Reaction would be as follows:

C2H5OH➜C2H4+H20