J & K CET Engineering J and K - CET Engineering Solved Paper-2006

  • question_answer
    The complex that does not give a precipitate wit\[\text{ }\!\!~\!\!\text{ AgN}{{\text{O}}_{\text{3}}}\]solution

    A)  \[[Co{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]\]

    B) \[[Co{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\]

    C)  \[\text{ }\!\![\!\!\text{ Ag(N}{{\text{H}}_{\text{3}}}{{\text{)}}_{\text{2}}}\text{ }\!\!]\!\!\text{ Cl}\]

    D)  \[[Cr{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]Cl\]

    Correct Answer: A

    Solution :

     \[[Co{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]\]does not give a precipitate with \[\text{AgN}{{\text{O}}_{\text{3}}}\]solution because all the chloride ions are non-ionisable. \[[Co{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]\text{does}\,\text{not}\,\text{ionise}\]


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