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ZIMSEC O-Level Chemistry

7.3.0Organic chemistry

Organic chemistry in ZIMSEC O-Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Syllabus section340 practice questions17 lessons

In this topic

Lessons

  • Alkanes

    30 min

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  • Alkenes and addition reactions

    30 min

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  • Cracking

    30 min

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  • Carboxylic acids and esters

    35 min

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  • Soaps and saponification

    30 min

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  • Making ethanol

    35 min

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  • Naming organic compounds

    30 min

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  • Organic formulae and homologous series

    30 min

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  • Addition polymers and plastics

    35 min

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  • Condensation polymers: nylon and polyesters

    35 min

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  • Types of fuels

    30 min

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  • Structural isomerism

    30 min

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  • Natural polymers: proteins and starch

    35 min

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  • Fossil fuels and the fractional distillation of crude oil

    30 min

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  • Fuels from coal, wood and biomass

    35 min

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  • Properties and uses of ethanol

    30 min

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  • Fuel efficiency and heating values

    35 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Organic chemistry: sample question

1 mark

Which gas makes up most of biogas and burns as the fuel?

Choose one answer

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