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Chemistry
Transition metals react with halogen at elevated temperature to form halides. The reactivity order of halogens are
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Q. Transition metals react with halogen at elevated temperature to form halides. The reactivity order of halogens are
The d-and f-Block Elements
A
$F _{2} > Cl _{2} > Br _{2} > I _{2}$
B
$Cl _{2} > F _{2} > Br _{2} > I _{2}$
C
$I _{2} > Br _{2} > Cl _{2} > F _{2}$
D
$Cl _{2} < F _{2} > I _{2} > Br _{2}$
Solution:
The reactivity order is $F _{2}> Cl _{2}> Br _{2}> I _{2}$ as $F _{2}$ is most electronegative and reactive element.