Year 13 Redox Revision Helpsheet Lesson Objectives Tasks Know the convention for Are half equations for electrode reactions written as reduction or Write a half equation for a silver writing half-equations for oxidation processes? electrode electrode reactions Be able to use the conventional What does the vertical solid What does the double vertical line Write the conventional representation of line in the shorthand for in the shorthand for representing cells? representation of cells for an representing cells? aluminium and copper cell Understand how cells are used Explain why a standard Draw and a standard hydrogen Explain why a secondary to measure electrode potentials electrode is needed. electrode standard electrode is sometimes by reference to the standard used hydrogen electrode Know the importance of the What are the three standard With reference to equilibria, explain why these three conditions need to be conditions when measuring the conditions needed when kept constant. electrode potential, E measuring electrode potential? Know that standard electrode potential, E , refers to Θ conditions of 298 K, 100 kPa and 1.00 mol dm-3 solution of ions. Know that standard electrode Explain what an Which is normally found at the top of an Describe, for an electrochemical potentials can be listed as an electrochemical series is electrochemical series, the most series written in the convential electrochemical series negative or the most positive value? direction, how you can identify the most powerful oxidising agent and the most powerful reducing agent Use E values to predict the Describe how you can use E Describe how you can use E values to calculate the e.m.f of a cell Θ Θ Θ direction of simple redox values to predict the direction reactions calculate the e.m.f of simple redox reactions
Year 13 Redox Revision Helpsheet Lesson Objectives Tasks Know the convention for writing half-equations for electrode reactions Are half equations for electrode reactions written as reduction or oxidation processes? Write a half equation for a silver electrode Be able to use the conventional representation of What does the vertical solid line in the shorthand for representing cells? What does the double vertical line in the shorthand for representing cells? Write the conventional representation of cells for an aluminium and copper cell Understand how cells are used to measure electrode potentials by reference to the standard hydrogen electrode Explain why a standard electrode is needed. Draw and a standard hydrogen electrode Explain why a secondary standard electrode is sometimes used Know the importance of the conditions when measuring the electrode potential, E Know that standard electrode potential, E Θ , refers to conditions of 298 K, 100 kPa and 1.00 mol dm-3 solution of ions. What are the three standard conditions needed when measuring electrode potential? With reference to equilibria, explain why these three conditions need to be kept constant. Know that standard electrode potentials can be listed as an electrochemical series Explain what an electrochemical series is Which is normally found at the top of an electrochemical series, the most negative or the most positive value? Describe, for an electrochemical series written in the convential direction, how you can identify the most powerful oxidising agent and the most powerful reducing agent Use E Θ values to predict the direction of simple redox reactions calculate the e.m.f Describe how you can use E Θ values to predict the direction of simple redox reactions Describe how you can use E Θ values to calculate the e.m.f of a cell
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