Hydrocarbons Question 24

Question: Ethene when treated with $ Br_2 $ in the presence of $ CCl_4 $ which compound is formed [RPMT 1997; DCE 2001; KCET (Med.) 1999]

Options:

A) 1, 2-dibromoethane

B) 1-bromo-2-chloroethane

C) Both A and B

D) 1, 1, 1-tribromoethane

Show Answer

Answer:

Correct Answer: A

Solution:

$ CH_2=CH_2+Br_2\xrightarrow{CCl_4}\underset{\begin{smallmatrix} \text{1, 2-dibromo } \\ ethane \end{smallmatrix}}{\mathop{\underset{Br}{\mathop{\underset{|}{\mathop{CH_2}}}}-\underset{\underset{Br}{\mathop{|}}}{\mathop{CH_2}}}} $