Chemistry - Hydrocarbon Question with Solution | TestHub

Solution of bromine in carbon tetrachloride is used to test for unsaturation of alkene. The reddish brown colour of bromine disappears due to the formation of colourless dibromo ethane$\left({\mathrm{C}}_2{\mathrm{H}}_4\mathrm{B}{\mathrm{r}}_2\right)$.