Question

Ethylene chlorohydrin is the product of following reaction:
(A) $ C{H_2} = C{H_2} + HOCl $
(B) $ C{H_2} = C{H_2} + {H_2} $
(C) $ C{H_2} = C{H_2} + C{l_2} $
(D) $ C{H_2} = C{H_2} + HOBr $

Answer 1

Hint :The chemical name of ethylene chlorohydrin is $ 2 $ -chloroethanol. The chemical formula of ethylene chlorohydrin is $ {C_2}{H_5}ClO $ . It gives up $ {H^ + } $ and $ C{l^ - } $ , as a reaction with sodium hydroxide.

Complete Step By Step Answer:
A. When chlorine gas is added in water, hypochlorous acid is formed. The resulting chemical
reaction is as follows,
 $ C{l_2} + {H_2}O \to HCl + HOCl $ .
This Hypochlorous acid ( $ HOCl $ ) reacts with ethylene and forms ethylene chlorohydrin. The resulting chemical reaction is as follows,
 $ C{H_2} = C{H_2}\xrightarrow{{HOCl}}{C_2}{H_5}ClO $
B. Ethene reacts with hydrogen in the presence of a nickel catalyst at a temperature of about $ {150^0} $ C, Ethane is produced. The resulting chemical reaction is as follows,
 $ C{H_2} = C{H_2} + {H_2}\xrightarrow{{Nickel}}{C_2}{H_6} $
C.Ethylene reacts with dry chlorine gas, which forms ethylene dichloride. The resulting
chemical reaction is as follows,
 $ C{H_2} = C{H_2} + C{l_2} \to {C_2}{H_4}C{l_2} $
D. Hypobromous acid ( $ HOBr $ ) reacts with ethylene and forms Bromoethanol. The resulting
chemical reaction is as follows,
 $ C{H_2} = C{H_2}\xrightarrow{{HOBr}}{C_2}{H_5}BrO $
Hence the correct option is A.

Additional information:
Chemical reaction is a process in which one or more substances, the reactants, are converted to one or more different substances. Substances are either chemical elements or compounds.

Note :
Ethylene chlorohydrin readily dissolves in many organic substances like cellulose acetate and ethyl cellulose. Also note that ethylene reacts with dry $ HCl $ gas, ethyl chloride will form. But it is used as a solvent and has extremely limited access due to its toxicity.