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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Formulae, functional groups and terminology

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Formulae, functional groups and terminology

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Paper 3Theory (Core)1 marks

Understanding molecular formulas in organic compounds.

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Molecular Formula Analysis

Consider the molecular formula C₆H₁₂O₆. Analyze the composition of this molecule.

  1. a

    State the number of carbon atoms in the molecule.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 3 structured question: Formulae, functional groups and terminology

Paper 3Theory (Core)2 marks

Description

Element Identification

Given the molecular formula C₄H₁₀, identify the elements present in the molecule.

  1. a

    Identify the elements present in the molecular formula C₄H₁₀.

    Aim for approximately 2 distinct marking points.

    [2]