Alkane Structures β€” First Four Members

Part of Alkanes Β· Section 2 of 12

DiagramUnit: Organic ChemistryGCSE
3D ball-and-stick models of methane (CHβ‚„), ethane (Cβ‚‚H₆) and propane (C₃Hβ‚ˆ) showing grey carbon spheres and white hydrogen spheres with single bonds.

Figure 1: The first four alkanes. Each carbon forms 4 bonds (single bonds only) β€” either to other carbons or to hydrogens. This "saturated" structure makes alkanes relatively unreactive.

This diagram covers Alkane Structures β€” First Four Members within Alkanes for GCSE Chemistry. Topic 38: Alkanes It is section 2 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.

Practice questions for Alkanes

What is the general formula for the alkane homologous series?

  • A. Cβ‚™Hβ‚‚β‚™
  • B. Cβ‚™Hβ‚‚β‚™β‚‹β‚‚
  • C. Cβ‚™Hβ‚™
  • D. Cβ‚™Hβ‚‚β‚™β‚Šβ‚‚
1 markfoundation

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

3 marksstandard

Quick recall flashcards

Formula for butane?
Cβ‚„H₁₀
Formula for ethane?
Cβ‚‚H₆

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