JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Critical Thinking

  • question_answer
    The hydride ion \[{{H}^{-}}\]is stronger base than its hydroxide ion \[O{{H}^{-}}.\] Which of the following reaction will occur if sodium hydride \[(NaH)\] is dissolved in water               [CBSE PMT 1997]

    A)                 \[{{H}^{-}}(aq)+{{H}_{2}}O\,\to \,{{H}_{2}}O\]

    B)                 \[{{H}^{-}}\,(aq)+{{H}_{2}}O\,(l)\,\to \,O{{H}^{-}}+{{H}_{2}}\]

    C)                 \[{{H}^{-}}\,+{{H}_{2}}O\,\to \]No reaction

    D)                 None of these

    Correct Answer: B

    Solution :

                    \[{{H}^{-}}_{\text{(aq}\text{.)}}+{{H}_{2}}{{O}_{(l)}}\to O{{H}^{-}}+{{H}_{2}}\].


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