Question

$B{r}^{-}(aq)$ ions are converted into $B{r}_2$ by using

• A. $C{l}_2$
• B. Cone. HCl
• C. HBr
• D. $H_{2}S$

Answer 1

Answer: (A)

$B{r}^{-}+C{l}_2\to 2Cr+B{r}_2$
Since $C{l}_2$ can displace $B{r}^{-}$ ion