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Why potassium explodes when added to …

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Why potassium explodes when added to water

    • Posted by Rajat Deahmukh 6 years, 9 months ago

    CBSE > Class 06 > Science (OLD)
    • 1 answers

    Yogita Ingle 6 years, 9 months ago

    The Group I elements in the periodic table (lithium, sodium, potassium, etc.) are highly reactive because of their single valence electron. When potassium reacts with water, the electrons will be attracted to the highly positive hydrogen ion.
    2 K(s) + 2 H2O(l) → KOH(aq) + H2 (g) + Heat
    This is a much lower energy state for the potassium as it requires a lot of energy for the potassium to hold onto the extra electron. This energy is released as heat in an explosion.

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