Q. In the reaction, $2 B r^{-} + X_{2} \to B r_{2} + 2 X^{-}; X_{2}$ is

1898 223 The p-Block Elements - Part2 Report Error

A

$C l_{2}$

B

$B r_{2}$

C

$I_{2}$

D

$N_{2}$

Solution:

$2 B r^{-} + C l_{2} \to B r_{2} + 2 C l^{-}$
Hence $X_{2}$ is $C l_{2} .$