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Alkane Structures — Structural Diagrams

Part of Alkanes · GCSE GCSE Chemistry revision

This diagram covers Alkane Structures — Structural Diagrams within Alkanes for GCSE Chemistry. Topic 38: Alkanes It is section 4 of 12 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Topic position

Section 4 of 12

Practice

20 questions

Recall

15 flashcards

📊 Alkane Structures — Structural Diagrams

Methane CH₄ C H H H H Ethane C₂H₆ C C General Formula CₙH₂ₙ₊₂ All single bonds = SATURATED (can't hold more hydrogen)

The first four alkanes. Notice each carbon forms 4 bonds — either to other carbons or to hydrogens.

Keep building this topic

Read this section alongside the surrounding pages in Alkanes. That gives you the full topic sequence instead of a single isolated revision point.

Deep Dive: Understanding AlkanesWhy Alkanes Are Saturated and Relatively UnreactiveThe Simplest Carbon FamilyAlkane Structures — First Four Members

Practice Questions for Alkanes

What is the general formula for the alkane homologous series?

  • A. CₙH₂ₙ
  • B. CₙH₂ₙ₋₂
  • C. CₙHₙ
  • D. CₙH₂ₙ₊₂
1 markfoundation

Explain why the boiling point of alkanes increases as the chain length increases.

3 marksstandard

Quick Recall Flashcards

Formula for butane?
C₄H₁₀
Formula for ethane?
C₂H₆

20 questions on Alkanes — practise free

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Deep Dive: Understanding Alkanes

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Why Alkanes Are Saturated and Relatively Unreactive