Category Archives: 7a. Measuring rate of reaction by an initial rate method

7a. Measuring the rate of reaction by an initial rate method

An ‘iodine Clock’ experiment: To investigate the reaction of iodide(V) ions with hydrogen peroxide in acidic solution and to determine the order of the reaction with respect to iodide ions. Requirements 0.25 mol dm–3 dilute sulfuric acid 0.05 mol dm–3 sodium thiosulfate solution 0.10 mol dm–3 potassium iodide solution 0.10 mol dm–3 hydrogen peroxide solution starch solution 50 cm3 burette

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