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Think First

Before diving into this lesson, pause and consider what you already know about this topic. What real-world examples can you think of?

Misconceptions to Fix

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Wrong: Chemical equations can be balanced by changing subscripts in formulas.

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Right: Chemical equations must be balanced by changing coefficients only. Subscripts in chemical formulas define the identity of the compound — changing them creates a different substance. If you cannot balance an equation with whole-number coefficients, check that your formulas are correct.

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01
Chemistry Year 12 Module 7 · Lesson 4

Lesson 4

Chemistry Year 12 — Module 7: Organic Chemistry

📚 Know

  • Key definitions and terminology for organic chemistry reactions
  • The conditions and reagents for major hydrocarbon reaction types
  • How to identify functional groups from structural formulas

🔗 Understand

  • The relationship between reaction conditions and products in organic chemistry
  • How to predict products from starting materials and reagents
  • Common error patterns in organic reaction equations

✅ Can Do

  • Identify reaction types from given conditions
  • Predict products for single-step hydrocarbon reactions
  • Spot and correct errors in organic reaction equations
📋

Key Terms — Read These First

hydrocarbon An organic compound containing only carbon and hydrogen atoms.
functional group A specific atom or group of atoms that gives a compound its characteristic chemical properties.
isomerism The existence of compounds with the same molecular formula but different structural arrangements.
addition reaction A reaction in which atoms add across a multiple bond, forming a single product.
substitution reaction A reaction in which one atom or group in a molecule is replaced by another atom or group.
polymerisation The process of joining many small monomer molecules into a long polymer chain.
02
Revisit Your Initial Thinking

Look back at what you wrote in the Think First section. What has changed? What did you get right? What surprised you?

Consolidation Game

Lesson 4

Mark lesson as complete

Tick when you've finished all activities and checked your answers.

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