Question

What is vicinal dihalide?

Answer 1

Vicinal dihalide:

• Vicinal dihalides are those compounds in which halogen atoms are attached to the adjacent carbon atoms.
• The addition reaction of alkenes or alkynes with halogens gives vicinal dihalides.
• Vicinal dihalides are also called Geminal dihalides.
• For example, $1,2$-dichloroethane ($\mathrm{Cl}-{\mathrm{CH}}_2-{\mathrm{CH}}_2-\mathrm{Cl}$).