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Displacement reactions

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Tim Dennis

on 1 November 2017

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Transcript of Displacement reactions

Displacement reactions
Learning Objective
To be able explain the reactivity of metals. (F/T)
To be able to explain the process of a displacement reaction using a word equations (H/T)
To be able to predict whether a chemical reaction will take place or not based on its reactivity. (H/T)
To Do!
Lesson Aims

To understand that a more reactive metals displace less reactive metals.
Be able to predict the outcome of reactions using the reactivity series.
What did you learn?
Potassium
Sodium
Calcium
Magnesium
Aluminium
Zinc
Iron
Lead
Copper
Silver
Gold
Most Reactive
Least Reactive
Mnemonics can help us remember long sequences of information.
Iron oxide + Aluminium ------> _______+_______
What happens when something is displaced?
P eter
S aid
C areful
M y
A nnoying
Z ebra
I n
L ondon
C an
S mell
G rotty
The Reactivity Series
Potassium
Sodium
Calcium
Magnesium
Aluminium
Zinc
Iron
Lead
Copper
Silver
Gold
Now make your own mnemonic to help you remember the order of reactivity.
Questions
Complete the word equations use your mnemonic to help you.
Magnesium + Iron Sulphate --> ____________________
Iron + Potassium Chloride --> ______________________
Copper + Silver Nitrate --> ________________________
Aluminum + Iron Oxide --> _______________________
Magnesium + Copper Sulphate --> ____________________

Word Equation
Magnesium + Copper Sulphate ------------> Magnesium Sulphate + Copper
Magnesium is MORE reactive than Copper.
Magnesium 'Steals' the sulphate from Copper.
Copper is DISPLACED.
Example
Iron Oxide + Aluminium --------> Iron +Aluminium Oxide
Because Aluminum is more reactive than Iron, Aluminum displaces Iron.
Why?
Draw around your hand and write down 5 things you've learnt this lesson,
Displacement is when something is pushed/forced out and replaced.
How can we tell that there is a reaction occurring?
Learning Objective
To be able to describe what happens during a displacement reaction. (F/T)
To be able to explain the process of a displacement reaction using a word equations (H/T)
To be able to predict whether a chemical reaction will take place or not based on its reactivity. (H/T)
Explain whether reactions will take place between these substances, include the word equation in your answer!
A. Zinc + Copper Oxide
B. Copper + Magnesium Oxide
C. Lead + Silver Nitrate
Magnesium + Iron Sulphate --> Magnesium Sulphate +Iron
Iron + Potassium Chloride --> No reaction
Copper + Silver Nitrate --> Copper Nitrate + Silver
Aluminum + Iron Oxide --> Aluminum Oxide + Iron
Magnesium + Copper Sulphate --> Magnesium Sulphate + Copper
Full transcript