Chemistry Paper One 2.0 / 5 based on 1 rating ? ChemistryDisplacement ReactionsIGCSEEdexcel Created by: MRB10Created on: 11-05-14 22:18 What is a displacement reaction? When a more reactive halogen 'gets rid of' a less reactive one. 1 of 5 What is the symbol equation for when bromine water is added to potassium iodide. Br2 H20 +KI2 = KBr2 +I2 H20 2 of 5 Why does bromine displace iodine? because it is more reactive. 3 of 5 What is a redox reaction? when oxidation and reduction are recurring at the same time. 4 of 5 chlorine water is added to potassuim bromide, what is the colour before and after this reaction has taken place? And why? Colourless into orange. Because this is the colour of 5 of 5
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