JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Alkali Metals

  • question_answer
    The reaction of water with sodium and potassium is [BHU 1999]

    A) Exothermic

    B) Endothermic

    C) Reversible

    D) Irreversible and endothermic

    Correct Answer: A

    Solution :

    \[2Na+2HOH\to 2NaOH+{{H}_{2}}\uparrow \] \[2K+2HOH\to 2KOH+{{H}_{2}}\uparrow \]

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