• # question_answer Mark the element which displaces three halogens from their compounds [MP PMT 1980, 82; BHU 1984; NCERT 1987] A) $F$ B) $Cl$ C) $Br$ D) $I$

${{F}_{2}}+2C{{l}^{-}}\,\to \,C{{l}_{2}}+2{{F}^{-}}$ ${{F}_{2}}+2B{{r}^{-}}\,\to \,B{{r}_{2}}+2{{F}^{-}}$ ${{F}_{2}}+2{{I}^{-}}\,\to \,{{I}_{2}}+2{{F}^{-}}$