Question

Which of the halogen has maximum affinity for hydrogen.

• A. $F_{2}$
• B. $Cl_{2}$
• C. $Br_{2}$
• D. $I_{2}$

Answer 1

Answer: (A)

$F_{2}$

Answer 2

$F_{2}$ has maximum tendency to react with hydrogen. the decreasing order of reactivity is $F_{2} > Cl_{2} > Br_{2} > I_{2}$.