Question

What would you see, when ethyne is bubbled through a solution of Bromine in Carbon tetrachloride?

Answer 1

1. Ethyne is an unsaturated hydrocarbon and is an organic compound.
2. When Ethyne is bubbled through a solution of bromine in Carbon tetrachloride we get Acetylene dibromide or Ethylene Bromide as the product.
3. Due to the formation of Ethylene Bromide (Colourless) the orange-brown colour of Bromine disappears.
4. The chemical reaction occurs as follows:
5. $$\begin{gathered} \underset{\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}}{{\mathbf{C}}_{\mathbf{2}}{\mathbf{H}}_{\mathbf{2}}\mathbf{}\mathbf{\left(}\mathbf{g}\mathbf{\right)}\mathbf{}\mathbf{+}\mathbf{}\mathbf{B}{\mathbf{r}}_{\mathbf{2}}}\mathbf{}\mathbf{}\stackrel{\mathbf{C}\mathbf{C}{\mathbf{l}}_{\mathbf{4}}}{\mathbf{\to }}\mathbf{}\mathbf{}\mathit{B}\mathit{r}\mathbf{-}\mathit{C}{\mathit{H}}_{\mathbf{2}}\mathbf{-}\mathit{C}{\mathit{H}}_{\mathbf{2}}\mathbf{-}\mathit{B}\mathit{r} \\ \mathbf{}\mathbf{Ethyne}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{Bromine}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{}\mathbf{Ethylene}\mathbf{}\mathbf{Bromide} \end{gathered}$$
6. Hence, we concluded that when Ethyne is bubbled through a solution of bromine in Carbon tetrachloride then due to the formation of Ethylene Bromide the orange-brown colour of Bromine disappears.