Question

Ethylene dichloride can be prepared by adding HCl to
(a) Ethane (b) Ethylene
(c) Acetylene (d) Ethylene glycol

Answer 1

(d) Ethylene glycol

Explanation:

Ethylene dichloride can be prepared by adding HCl to Ethylene glycol.

CH2OH⋅CH2OH + 2HCl ----> C2H4Cl2 + 2H2O

Chlorine replaces the OH group in the Ethylene glycol. This is a displacement reaction.

Option D is the answer.

Answer 2

Answer:

correct answer is D

it is a substitution rxn as the two -OH groups are substituted by Cl.