Chemistry Revision: Reactivity Series

Chemistry Revision: Reactivity Series

Chemistry Revision: Reactivity Series Displacement Reactions Year 8 Week 11 Displacement Reactions

WALT: demonstrate that a more reactive metal will displace a less reactive one I must be able to carry out a practical to demonstrate displacement I should be able to predict the products formed I could answer some more advance questions

on this correctly Last lesson we learnt that if a metal reacts with an acid 1. .. gas is produced 2. A is also formed 3. The relative vigorousness of the reactions

can tell us the . Police sergeant Charlie MAZITL caught Sarah giggling Plenary 1. What did the results tell you about the

reactivity series 2. How could we have made the results more reliable? A more reactive metal will displace a less reactive metal from its compound

For example if lead is added to copper sulphate, you will get lead sulphate and copper: Lead + copper sulphate >>> lead sulphate + copper Turn to page 232 You are going to add some zinc to copper sulphate solution.

When you are finished: 1.Write a method 2.Write the word equation for what happened 3.In your conclusion write down what kind of reaction this was. After the experiment

1. Look at the table on p.233. Write down what the table shows us about the reactivity series of metals and why it proves this. 2. Answer questions 1 and 2 on page 237 PLENARY You have four metals: A, B, C and D

B reduces C oxide when they are heated There is no reaction when B is heated with D oxide There is no reaction when A is heated with B oxide Put the metals in order of reactivity with the most reactive first Answer = D, B, C, A

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