Question

The halogen, chlorine of group 17 (VIIA) displaces bromine from potassium bromide. Give reason

Answer 1

Chlorine is more reactive than bromine it displaces bromine from potassium bromide.
$C{l}_{2\left(aq\right)}+2KB{r}_{\left(aq\right)}\to 2KC{l}_{\left(aq\right)}+B{r}_{2\left(aq\right)}$