Halogen Displacement Reactions
Cambridge IGCSE Chemistry 0620 · Predicting reactions, observations & equations
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Chlorine water is added to aqueous potassium bromide (KBr). Will a displacement reaction occur? Explain your reasoning.
Bromine water is added to aqueous sodium chloride (NaCl). Will a displacement reaction occur? Explain.
Chlorine water is added to aqueous potassium iodide (KI). Will a displacement reaction occur? Explain.
Iodine solution is added to aqueous sodium bromide (NaBr). Will a displacement reaction occur?
Bromine water is added to aqueous potassium iodide (KI). Will a displacement reaction occur? Explain.
Aqueous chlorine is added to colourless potassium iodide solution. State the colour change observed.
Explain the colour change when chlorine water is added to potassium iodide solution.
Bromine water is added to potassium iodide solution. Describe ALL observations.
Chlorine water is added to potassium bromide solution. State the colour change.
A student adds chlorine water to three test tubes containing: (1) KF solution, (2) KBr solution, (3) KI solution. Describe what they observe in each tube.
Write the balanced symbol equation, including state symbols, for chlorine reacting with aqueous potassium bromide.
Write the balanced symbol equation, including state symbols, for chlorine reacting with aqueous potassium iodide.
Write the balanced ionic equation for the reaction between bromine and potassium iodide solution.
Write the balanced ionic equation for the reaction between chlorine water and sodium bromide. Identify which species is oxidised and which is reduced.
A student adds excess bromine water to 25 cm³ of 0.1 mol/dm³ potassium iodide solution. Write the balanced equation and calculate the moles of iodine produced.
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