Question

Which of the following is an example of vic-dihalide?

Options

• Dichloromethane

• 1, 2-dichloroethane

• Ethylidene chloride

• Allyl chloride

Answer 1

1, 2-dichloroethane

Explanation:

1, 2-Dichloroethane is a vic-dihalide since two Cl atoms are present on vicinal carbon atoms (adjacent).

\[\begin{array}{cc}
\ce{H}\\
\phantom{}|\\
\ce{Cl - C - Cl}\\
\phantom{}|\\
\phantom{}\ce{\underset{(Dichloromethane)}{H}}\phantom{}
\end{array}\]

 

\[\begin{array}{cc}
\phantom{...}\ce{CH2 - CH2}\\
\phantom{}|\phantom{.......}|\\
\phantom{}\ce{\underset{(1, 2-Dichloroethane)}{\phantom{.}Cl\phantom{.....}Cl}}\phantom{}
\end{array}\]

 

\[\begin{array}{cc}
\phantom{....}\ce{H}\phantom{...}\ce{Cl}\\
\phantom{...}|\phantom{....}|\\
\phantom{...}\ce{H - C - C - H}\\
\phantom{...}|\phantom{....}|\\
\phantom{..}\ce{\underset{(Ethylidene chloride)}{\phantom{..}H\phantom{...}Cl}}\phantom{}
\end{array}\]

 

\[\begin{array}{cc}
\ce{Cl}\phantom{...............}\\
|\phantom{................}\\
\ce{\underset{(Allyl chloride)}{CH2 - CH = CH2}}
\end{array}\]