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What is isomerism?

What is isomerism?

Examples of chain, position and functional group isomerism showing butane and 2-methylpropane, 1-bromopropane and 2-bromopropane, ethanol and methoxymethane

Isomers have the same molecular formula but different arrangements of atoms. In A Level chemistry, the first split is between structural isomerism and stereoisomerism.

Isomerism Lesson

  1. A Level
  2. /Chemistry
  3. /Isomerism

Step-by-step lessons on AQA A Level Chemistry Isomerism. Each one builds up to exam-style questions. Build confidence with atomic structure, bonding and moles calculations early on, since these underpin the more demanding organic mechanisms, equilibrium and practical-analysis topics that dominate Year 2.

Lessons