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Cambridge IGCSE Chemistry practice

Paper 3 structured question: Carboxylic acids

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Carboxylic acids

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Paper 3Theory (Core)3 marks

Understanding the reactions of ethanoic acid.

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Ethanoic Acid Reactions

Ethanoic acid reacts with various substances to produce different products. For example, it reacts with metals to produce salts and hydrogen gas, with bases to produce salts and water, and with carbonates to produce salts, water, and carbon dioxide.

  1. a

    Describe the reaction of ethanoic acid with calcium carbonate.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 3 structured question: Carboxylic acids

Paper 3Theory (Core)1 marks

Description

Reactions of Ethanoic Acid

Ethanoic acid can react with metals, bases, and carbonates. For example, it reacts with sodium to produce sodium ethanoate and hydrogen gas, with sodium hydroxide to produce sodium ethanoate and water, and with calcium carbonate to produce calcium ethanoate, water, and carbon dioxide.

  1. a

    State the products formed when ethanoic acid reacts with sodium hydroxide.

    Aim for approximately 1 distinct marking point.

    [1]