Question

Which of the halogen has maximum affinity for hydrogen?

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

Answer 1

Answer: (A)

$F_2$ has maximum tendency to react with hydrogen. The decreasing order of reactivity is $F_2>C{l}_2>B{r}_2>I_2$.