Which of the following reactions is (are) feasible?
I Br ₍₁₎ + 2CI _2(aq) 2Br _(aq) + CI _2(g)
ll 21 _(aq) + Br ₂₍₁₎ 2Br _(aq) + 1 _2(s)
lll 2F _(aq) + CI _2(g) 2CI _(aq) + F _2(g) IV 2F _(aq) + Br ₂₍₁₎ 2Br _(aq) + F _2(g)

---