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The Electrochemical Series

The Electrochemical Series. Intermediate 2 Chemistry Unit 3(c). V. If you set up this experiment, what would happen?. V. What name is given to a solution like the one above?. Salt solution. ELECTRONS. IONS. A cell.

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The Electrochemical Series

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  1. The Electrochemical Series Intermediate 2 Chemistry Unit 3(c)

  2. V • If you set up this experiment, what would happen?

  3. V • What name is given to a solution like the one above? Salt solution

  4. ELECTRONS IONS A cell The metal HIGHER in the electrochemical series LOSES electrons to the metal lower down. ELECTRONS flow through the wires. IONS flow through the solution to complete the circuit. V

  5. The electrochemical series (ECS) Aluminium Zinc Iron Tin Lead Electrons flow from one metal to another to create a voltage Imagine you connect different metals to TIN...

  6. +ve – the metal is above the other metal in the ECS -ve – the metal is below the other metal in the ECS 0 – the metal is the same as the other metal large number – large gap between the metals in the ECS small number – small gap between the metals in the ECS

  7. Magnesium Aluminium Zinc Iron Tin Lead Copper Above tin Large gap Below tin Small gap

  8. The problem... • You have a selection of different metals, but you don’t know what any of them are • By connecting them together in cells: • rank them according to their position in the ECS • suggest what metal each one actually is *Tip – the metal you start with (and are comparing to) should always be connected to the +ve terminal of the voltmeter

  9. Half cells

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