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why f2 is strongest reducing agent but when it comes to eg enthalpy it comes after chlorine ( energy is inversely proportional to stabilility) but in case of f2 it also has lp lp repulsion

why f2 is strongest reducing agent but when it comes to eg enthalpy it comes after chlorine 
( energy is inversely proportional to stabilility) but in case of f2 it also has lp lp repulsion
 

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1 Answers

Arun
25750 Points
5 years ago

The electron gain enthalpy of chlorine is more negative than that of fluorine. However, the bond dissociation energy of fluorine is much lesser than that of chlorine. In addition, its small size, the hydration energy of fluorine is much higher than that of chlorine. So, the latter two factors more than compensate for the less negative electron gain enthalpy of fluorine. Thus, fluorine is a much stronger oxidizing agent than chlorine.

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