Skip to content
    Chemistry A-Level

    equal forward and reverse rates

    What equal forward and reverse rates means in Chemistry A-Level, as defined for AQA, OCR.

    Definitions of equal forward and reverse rates

    Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.

    Check what you remember

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

    Reference: AQA

    The forward and reverse reactions proceed at equal rates, so every molecule of product formed is matched by one converted back.
    AQA · Chemical equilibria and Le Chatelier's principle (study guide)
    The rate of the forward reaction equals the rate of the reverse reaction.
    OCR · Chemical equilibrium

    Topics that use equal forward and reverse rates

    Related terms

    Using equal forward and reverse rates 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