JEE Main & Advanced Chemistry Equilibrium Question Bank Common ion effect, Isohydric solutions, Solubility product, Ionic product of water and salt hydrolysis

  • question_answer The concentration of which ion is to be decreased, when \[N{{H}_{3}}\] solution is added            [RPMT 1997]

    A)                 \[O{{H}^{-}}\]   

    B)                 \[NH_{4}^{+}\]

    C)                 \[{{H}_{3}}{{O}^{+}}\]   

    D)                 \[O_{2}^{-}\]

    Correct Answer: C

    Solution :

                    Because \[N{{H}_{3}}\]acts as Lewis acid and they give electron pair to \[{{H}_{3}}{{O}^{+}}\]ion. \[{{H}_{3}}{{O}^{+}}\]is a Lewis base. Which accept the electron pair from \[N{{H}_{3}}\].

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