Skip to content
    Chemistry A-Level

    Carbon–halogen bond enthalpy

    What Carbon–halogen bond enthalpy means in Chemistry A-Level, as defined for OCR.

    Definition of Carbon–halogen bond enthalpy

    Check what you remember

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

    Reference: OCR

    Bond enthalpies fall down the group from C–F, the strongest at roughly 467 kJ mol⁻¹, through C–Cl and C–Br to C–I, the weakest at roughly 238 kJ mol⁻¹.
    OCR · Haloalkanes

    Topics that use Carbon–halogen bond enthalpy

    Related terms

    Using Carbon–halogen bond enthalpy 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