Skip to content
    Chemistry A-Level

    competing reactions

    What competing reactions means in Chemistry A-Level, as defined for AQA.

    Definition of competing reactions

    Check what you remember

    Read the wording for your board, then hide it and explain competing reactions in your own words. Rough notes are fine. This is a self-check, with no mark or grade.

    Reference: AQA

    The concurrent substitution and elimination reactions of a halogenoalkane, such as 2-bromopropane with potassium hydroxide, both happening at the same time.
    AQA · Elimination (study guide)

    Topics that use competing reactions

    Related terms

    Using competing reactions in the exam

    Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.

    Practise Chemistry questions

    Create a free account to answer exam-style questions on this topic and get feedback on your answers.

    Start free

    A week of Premium from your first lesson · Then the free plan continues · No card, no charge

    All Chemistry A-Level terms