3.4 Metal Displacement reactions

3.4 Metal Displacement reactions

At the end of this lesson, you should be able to;

• Define a displacement reaction

• Predict pairs of substances that react in displacement reactions

• Use the reactivity series to explain displacement reactions

Audio Response

What stood out to you from this Video?

(Your response should be at least 1 minute long)

Open Audio Recorder

Audio Response

What stood out to you from this video?

Was there anything mentioned here that wasn't in the other video? OR is there something that was said differently?

Open Audio Recorder

Use pages 92-93 to complete this lesson worksheet.

Multiple Choice

Page 92; What is copper used for?

• Cooking utensils
• Automobile tires
• Medical equipment
• Electrical wiring, plumbing pipes, industrial applications

Multiple Choice

True or False? Electric cables, water pipes, and computer parts all include copper.

• True
• Maybe

• False

Audio Response

What stood out to you from this video? How many color changes did you observe?

Open Audio Recorder

Multiple Choice

From the previous video, what happened when the test tube was taken out of the centrifuge?

• The test tube shattered into pieces
• The test tube exploded due to the centrifugal force
• The contents remained mixed and did not separate
• Contents were separated into layers based on their densities.

Multiple Choice

What happens when you add sulphuric acid to the copper containing rock?

• copper sulfate solution forms

• No reaction occurs
• Sulphuric acid evaporates
• Copper turns into silver

Dropdown

Page 92; Fill in the blanks;

When you ​

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​

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​

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to the ​

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containing rock, Copper ​

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solution forms.

Multiple Choice

Page 92; What happens when you add waste iron to the copper sulfate solution.?

• Copper displaces iron from the copper sulfate solution, forming copper sulfate and iron metal.
• Iron reacts with copper sulfate to form a new compound.
• Adding iron to the solution has no effect on the copper sulfate.
• Iron displaces copper from the copper sulfate solution, forming iron sulfate and copper metal.

Multiple Choice

True or False; When you add iron to the copper sulphate solution, there is a chemical reaction. One of the products is copper:

• Copper is the only product
• False
• No reaction occurs
• True

Drag and Drop

Drag and drop the words appropriately; Complete the chemical ​

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to show the ​

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of iron with copper sulphate;

iron + ​

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→ ​

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+ ​

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Drag these tiles and drop them in the correct blank above

copper sulfate

iron sulfate

copper

equation

reaction

Multiple Choice

True or False; Iron is more reactive than copper.

• False
• Sometimes
• Maybe
• True

Dropdown

Page 92 Fill in the blanks;

Because ​

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is ​

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reactive than ​

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, It ​

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copper from its compound, copper ​

Select answer

.

Multiple Choice

Page 92; What is a displacement reaction?.

• Aa physical reaction in which elements change their position in a compound.

• a chemical reaction in which a more reactive element displaces a less reactive element from its compound.

• a chemical reaction in which a less reactive element displaces a more reactive element from its compound.

Reorder

Reorder to complete this sentence about a displacement reaction.

• In a displacement reaction

• a more reactive element

• displaces, or pushes out

• a less reactive element

• from its compound

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Drag and Drop

Page 92; Fill in the blanks;

Elliott adds ​

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to ​

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solution. Magnesium is ​

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than copper. So magnesium ​

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copper from its ​

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.

Drag these tiles and drop them in the correct blank above

magnesium

more reactive

displaces

copper sulfate

compound

Reorder

Reorder correctly to complete this word equation;

• magnesium +

• copper sulfate

• →

• magnesium sulfate +

• copper

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

True or False? If you add copper to magnesium sulfate solution, there is no reaction.

• True
• Definitely
• Maybe
• False

Dropdown

Page 93; Fill in the blanks;

Copper is ​

Select answer

​

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than ​

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. So copper ​

Select answer

​magnesium from its compounds.

Multiple Choice

State why copper cannot displace magnesium in magnesium sulfate solution.

• Copper cannot form a stable compound with magnesium sulfate.
• Copper is not present in magnesium sulfate solution.
• Copper is more reactive than magnesium.
• Copper is less reactive than magnesium.

Multiple Choice

Do oxides take part in displacement reactions?

• No
• Sometimes
• Rarely
• Yes

Multiple Choice

True or False? Aluminum is more reactive than iron.

• True
• Maybe
• Sometimes
• False

Multiple Choice

Why does Aluminium displace iron from its compounds?

• Aluminium is more reactive than iron.
• Aluminium has a lower melting point than iron.
• Aluminium is less dense than iron.
• Aluminium forms weaker bonds with other elements than iron.

Match

Match the following to their correct symbols in this equation;

aluminum + iron oxide → aluminum oxide + iron

• aluminum

• iron oxide

• aluminum oxide

• iron

2 Al

Fe₂O₃

AlO₃

2Fe

• 2 Al

• Fe₂O₃

• AlO₃

• 2Fe

Audio Response

Watch this video of a thermite reaction.

What stood out to you?

Open Audio Recorder

Drag and Drop

Fill in the blanks about a thermite reaction;

It involves ​

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the two ​

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, and ​

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them strongly. The reaction is ​

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. The reaction mixture gets so hot that the iron ​

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.

Drag these tiles and drop them in the correct blank above

mixing

powders

exothermic

melts

heating

Multiple Choice

True or False; Thermite reactions are exothermic;

• False
• True
• Partially true
• Depends on the reactants

Dropdown

Fill in the blanks; Page 93;

Other metal-​

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pairs ​

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. The metal on its own needs to be ​

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​

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than the ​

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in the compound.

Reorder

Reorder to complete this chemical equation;

• 2Fe(s) +

• 3CuO(s)

• →

• Fe₂O₃(s)

• + 3Cu(s)

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Drag and Drop

Fill in the blanks;

In the reaction “2Fe(s) + 3CuO(s) → FeO(s) + 3Cu(s)”,

​

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has ​

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​

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from copper ​

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.

Drag these tiles and drop them in the correct blank above

Iron

displaced

copper

oxide

Multiple Choice

True or False? Why?

Copper does not react with iron oxide.

• Maybe

  This is because copper is sometimes m reactive than iron.

• Sometimes

  This is because copper is sometimes less reactive than iron.

• True

  This is because copper is less reactive than iron.

• False

  This is because copper is more reactive than iron.

Dropdown

Complete the sentences below, correcting the five mistakes. In a ​

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reaction, a ​

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reactive metal pushes out a ​​

Select answer

​

Select answer

metal from its ​

Select answer

. For example, iron displaces aluminium from aluminium oxide.

Categorize

Options (17)

zinc and copper sulfate solution

iron and sulfur powder

magnesium ribbon and hydrochloric acid

calcium carbonate and hydrochloric acid

sodium hydroxide and hydrochloric acid

silver nitrate and sodium chloride

carbon and oxygen

water and oil

iron and water

aluminum and vinegar

copper and air

lead and sulfuric acid

zinc and water

silver and oxygen

iron and zinc chloride solution

aluminum powder and copper oxide powder

iron filings and lead oxide powder

Predict which pairs of substances will react.

(You may se google)

Will React

Will not React

Audio Response

Use your understanding of the reactivity series and displacement reactions to explain how you made your categories on the previous slide.

Open Audio Recorder

Multiple Choice

the starting materials in a chemical reaction

• Products
• Reactants
• Starters
• Enders

Multiple Choice

a substance that is formed as the result of a chemical reaction

• Product 
• Reactant
• Starters
• Enders

Multiple Choice

Will the following reaction take place?

Ni + NaCl ->

• NO

• YES

Multiple Choice

A displacement reaction will occur when...

• a more reactive metal displaces a less reactive metal from its compound.
• A less reactive metal displaces a more reactive metal from its compound
• Displacement only occurs when two of the same metals are reacted 
• Displacement reactions will only occur in metals above iron in the reactivity series

Multiple Choice

Which of the following will not undergo reaction?

• zinc metal  +  zinc oxide 
• iron metal  +  copper oxide
• zinc metal +  iron oxide
• magnesium  +  iron oxide

Multiple Choice

Metals are arranged in the reactivity series according to their....

• Conductivity

• Reactivity

• Solubility

• Acidity

Explanation Slide...

Zinc is more reactive than copper in the reactive series, therefore zinc will displace copper from copper sulphate

Multiple Choice

Reaction or no reaction?

Zinc + copper sulphate ==>

• Reaction

• No reaction