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Cambridge IGCSE Chemistry practice

Paper 4 structured question: Naming organic compounds

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Naming organic compounds

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Paper 4Theory (Extended)2 marks

Esters and Their Formation

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General Ester Formation

Esters are formed from alcohols and carboxylic acids. Identify the alcohol and acid used to form ethyl acetate.

  1. a

    State the names of the alcohol and carboxylic acid used to form ethyl acetate.

    Aim for approximately 2 distinct marking points.

    [2]

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Paper 4 structured question: Naming organic compounds

Paper 4Theory (Extended)1 marks

Description

Formation of Ethyl Butanoate

Ethyl butanoate is formed from ethanol and butanoic acid. The displayed formula of ethyl butanoate is C2H5COO-C2H5.

  1. a

    State the displayed formula of butanoic acid.

    Aim for approximately 1 distinct marking point.

    [1]