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Cambridge IGCSE Combined Science practice

Paper 3 structured question: Terminology

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Terminology

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Paper 3Theory (Core)1 marks

Understanding the structure of organic compounds is crucial in chemistry.

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Saturated Compounds

Saturated compounds consist of molecules where all carbon-carbon bonds are single bonds. This structure allows for the maximum number of hydrogen atoms to be attached to each carbon atom.

  1. a

    Define the term 'saturated compound'.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Terminology

Paper 3Theory (Core)3 marks

Description

Saturated vs Unsaturated Compounds

Saturated compounds have only single bonds, while unsaturated compounds have one or more double or triple bonds. This difference affects their reactivity and stability.

  1. a

    Compare the reactivity of saturated and unsaturated compounds.

    Aim for approximately 3 distinct marking points.

    [3]