vic-Dihalide among the following is 

1. Dichloromethane

2. 1,2-Dichloroethane

3. Ethylidene chloride

4. Allyl chloride

Subtopic:  Dichloromethane, Trichloromethane & Tetrachloromethane |
 82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.