1. Bromine displaces iodine from sodium iodine, but there is no reaction when it is added to sodium chloride. What is the order of reactivity between chlorine, bromine and iodine?
2. Write a balanced symbol equation for the reaction in question three. Silver nitrate is AgNO3 and copper nitrate is Cu(NO3)2
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The order of reactivity is chlorine > bromine > iodine. This is because chlorine could displace bromine and iodine, bromine could only displace iodine, but iodine could not displace chlorine or bromine.
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