include reactions with copper with water or dilute steam. acids. WS 3.5 Deduce an order of reactivity of metals based on experimental results. WS 1.2 (HT only) Write ionic equations for displacement reactions. 4.7.5.2 When an ionic Describe electrolysis 1 Explain why solid ionic Carry out the Electrolysis practical compound is melted or in terms of the ions compounds cannot electrolysis of solutions Video clips: dissolved in water, the present and reactions conduct electricity but following the RSC ions are free to move at the electrodes. ionic compounds can method. about within the liquid conduct electricity when YouTube: Recall that metals (or Write balanced symbol or solution. These melted or dissolved in hydrogen) are formed equations for these liquids and solutions water. at the cathode and reactions. are able to conduct non-metals are Define the term Write half equations for electricity and are formed at the in electrolyte. the reactions that occur called electrolytes. at each electrode.
include reactions with steam. copper with water or dilute acids. WS 3.5 Deduce an order of reactivity of metals based on experimental results. WS 1.2 (HT only) Write ionic equations for displacement reactions. 4.7.5.2 When an ionic compound is melted or dissolved in water, the ions are free to move about within the liquid or solution. These liquids and solutions are able to conduct electricity and are called electrolytes. Describe electrolysis in terms of the ions present and reactions at the electrodes. Recall that metals (or hydrogen) are formed at the cathode and non-metals are formed at the in 1 Explain why solid ionic compounds cannot conduct electricity but ionic compounds can conduct electricity when melted or dissolved in water. Define the term electrolyte. Carry out the electrolysis of solutions following the RSC method. Write balanced symbol equations for these reactions. Write half equations for the reactions that occur at each electrode. Electrolysis practical Video clips: YouTube:
AQA-8465-SOW-MAI.DOCX