Question

Consider the reaction.
$A_2+H_{2}O\to HA+O_2$
$A_2$ is pale yellow gas at room temperature. Then $A_2$ may be

• A. $B{r}_2$
• B. $C{l}_2$
• C. $F_2$
• D. $I_2$

Answer 1

The correct option is C $F_2$

$F_2$ is pale yellow and oxidises water to $O_2$.