Reactivity series

Worked examples (6)

• 1Place metals in order of reactivity (Getting started)
• 2Predict a reaction with water (Getting started)
• 3Reaction of a metal with dilute acid (Building confidence)
• 4Use rate of fizzing to rank metals (Building confidence)
• 5Distinguish cold-water and steam products (Stretch)
• 6Explain a use from reactivity (Stretch)

Model answers (6)

• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style — extended
• ✓Model answer — 4WSD0/1C style — extended

Worked examples (6)

• 1Predict whether a displacement reaction happens (Getting started)
• 2Describe the observations of a displacement (Getting started)
• 3Define oxidation and reduction two ways (Building confidence)
• 4Identify the species oxidised and reduced (Building confidence)
• 5Name the oxidising and reducing agents (Stretch)
• 6Build the ionic equation and explain the colour change (Stretch)

Model answers (6)

• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style — extended
• ✓Model answer — 4WSD0/1C style — extended

Worked examples (6)

• 1Order three metals from acid observations (Getting started)
• 2Use the water test to spot the most reactive (Getting started)
• 3Order metals from a displacement tick grid (Building confidence)
• 4Justify an order with evidence (Building confidence)
• 5Place an unknown metal X in the series (Stretch)
• 6Identify an unknown metal from observations (Stretch)

Model answers (6)

• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style — extended
• ✓Model answer — 4WSD0/1C style — extended

Worked examples (6)

• 1Name rust and state the two conditions (Getting started)
• 2Explain how painting prevents rust (Getting started)
• 3Conclusion from the three test-tube experiment (Building confidence)
• 4Why sacrificial protection works (Building confidence)
• 5Why galvanising beats paint when scratched (Stretch)
• 6Choose and justify a prevention method (Stretch)

Model answers (6)

• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style — extended
• ✓Model answer — 4WSD0/1C style — extended

Worked examples (6)

• 1Define oxidation two ways (Getting started)
• 2Classify a change in a simple equation (Getting started)
• 3Identify oxidised and reduced in a displacement (Building confidence)
• 4Name the oxidising and reducing agents (Building confidence)
• 5Oxidised and reduced in a metal extraction (Stretch)
• 6Prove a no-oxygen reaction is redox (Stretch)

Model answers (6)

• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style — extended
• ✓Model answer — 4WSD0/1C style — extended

Worked examples (6)

• 1Write the equation for metal + acid (Getting started)
• 2Test for the gas given off (Getting started)
• 3Make it a fair test (Building confidence)
• 4Predict which metal fizzes fastest (Building confidence)
• 5Rank metals from a gas-volume graph (Stretch)
• 6Calculate the average rate of reaction (Stretch)

Model answers (6)

• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style
• ✓Model answer — 4WSD0/1C style — extended
• ✓Model answer — 4WSD0/1C style — extended