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    Question

    The most reactive among the halogens is-

    A.

    Chlorine

    B.

    Fluorine

    C.

    Bromine

    D.

    Iodine

    Correct option is B

    The correct answer is (b) Fluorine.
    · Fluorine is the most reactive element among the halogens and indeed among all elements.
    · Its high reactivity is due to its small atomic size and the high electronegativity, which make it extremely efficient at attracting electrons from other elements to form bonds.
    · Fluorine reacts with almost all organic and inorganic substances, including metals, non-metals, and noble gases under certain conditions.
    · It forms compounds such as hydrogen fluoride (HF), which is a highly reactive and corrosive acid.
    Information Booster:
    · Chlorine: Chlorine is also highly reactive but less so than fluorine. It is widely used in disinfecting water and in the production of various chemicals.
    · Bromine: Bromine is less reactive than chlorine and fluorine. It is used in flame retardants and certain types of medication.
    · Iodine: Iodine is the least reactive among the given halogens. It is essential in the human diet for thyroid function and is used as a disinfectant and in medical imaging.

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