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Edexcel IGCSE Chemistry 4.24 Alkene General Formula Questions

Practise using the alkene general formula and spotting when molecules with extra double bonds do not fit the usual CnH2n pattern.

Syllabus
First assessment 2019
Course
Chemistry 4CH1

Exam points

  • state or apply CnH2n as the general formula for simple alkenes
  • explain why a molecule with several C=C bonds may not match the usual alkene formula

Edexcel IGCSE Chemistry 4.24 Alkene General Formula Questions question 1

[Maximum number: 1]

This question is about hydrocarbons.

Another homologous series of hydrocarbons is the alkenes.

Alkenes are unsaturated hydrocarbons.

Give the general formula for the alkenes.

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