AQA Jan 2013 Paper 2 Q10

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do not write outside the box chlorine is a powerful oxidising agent a write the simplest ionic equation for the reaction between chlorine and aqueous potassium bromide state what is observed when this reaction occurs marks extra space b write an equation for the reaction between chlorine and cold dilute aqueous sodium hydroxide give a major use for the solution that is formed by this reaction give the iupac name of the chlorine containing compound formed in this reaction in which chlorine has an oxidation state of marks extra space wmp jan chem c write an equation for the equilibrium reaction that occurs when chlorine gas reacts with cold water do not write outside the box give one reason why chlorine is used for the treatment of drinking water even though the gas is very toxic marks extra space d state how you could test a sample of water to show that it contains chloride ions in your answer give a reagent one observation and the simplest ionic equation for the reaction with the reagent marks extra space end of questions wmp jan chem

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