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Why f2 is more reactive than cl2 then..br2 ....then ..I2

Why f2 is more reactive than cl2 then..br2 ....then ..I2

Grade:11

1 Answers

Umakant biswal
5359 Points
5 years ago
@ simran 
the electron affinity of fluorine is less than chlorine . still its more reactive than chlorine due to the following reason . 
1- the low dissociation energy of f2 molecule , and high hydration energy of f- ion , more than compensate for the low electron affinity fluorine , the oxidising power of fluorine is more than chlorine . 
2- the electronegativity of fluorine is more than that of chlorine . 
DUE TO THIS ABOVE STATED REASONS , F2 IS MORE REACTIVE THAN CL2 . 
HOPE U CLEAR WITH THIS 
ALL THE BEST ..

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