This comparison covers Alkanes vs Alkenes Comparison within Alkenes for GCSE Chemistry. Revise Alkenes in Organic Chemistry for GCSE Chemistry with 20 exam-style questions and 15 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 7 of 14 in this topic. Use this comparison to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 7 of 14
Practice
20 questions
Recall
15 flashcards
⚖️ Alkanes vs Alkenes Comparison
| Property | Alkanes | Alkenes |
|---|---|---|
| General Formula | CₙH₂ₙ₊₂ | CₙH₂ₙ |
| Bonding | Single C-C bonds only | C=C double bond |
| Saturation | Saturated | Unsaturated |
| Reactivity | Unreactive | Reactive |
| Bromine Water | Stays orange | Turns colourless |
| Main Reactions | Combustion, substitution | Addition reactions |
| Uses | Fuels | Making polymers, chemicals |