The following reactions (note that the arrows are pointingonly one direction) can be used to prepare an activity seriesfor the halogens:Br21aq2 + 2 NaI1aq2¡2 NaBr1aq2 + I21aq2Cl21aq2 + 2 NaBr1aq2¡2 NaCl1aq2 + Br21aq2(a) Which elemental halogen would you predict is the moststable, upon mixing with other halides? (b) Predict whethera reaction will occur when elemental chlorine and potassiumiodide are mixed. (c) Predict whether a reaction will occurwhen elemental bromine and lithium chloride are mixed.

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