A) \[{{I}_{2}}\]
B) \[B{{r}_{2}}\]
C) \[C{{l}_{2}}\]
D) \[{{F}_{2}}\]
Correct Answer: D
Solution :
Key Idea An oxidising element is a substance which accept electron in chemical reaction. Oxidising nature \[\propto \] electronegative character \[\propto \] number of electron in outer shell \[\propto \frac{1}{atomic\text{ }size}\] \[\propto \] reduction potential Fluorine is the strongest oxidising agent in halogens because fluorine has maximum reduction electrode potential \[({{E}^{o}}_{F/{{F}^{-}}}=2.87\,\,V)\] and it is easily reduced into\[{{F}^{-}}\] . It is also most electronegative element hence, fluorine is the strongest oxidising agent among halogen.
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