Question

convert 1,2 dibromo ethane->ethene​

Answer 1

1,2-Dibromoethane can be converted to Ethene by a reaction called Dehalogenation.

This reaction involves Zinc dust and under suitable conditions, ethene and Zinc Bromide are evolved.

      H   H                                           H    H

      |    |                                      |     |

H-C-C-H  + Zn ----> H-C=C-H +ZnBr2

      |    |           (dust)

     Br Br