JCECE Engineering JCECE Engineering Solved Paper-2007

  • question_answer
    Which does not give a precipitate with \[AgN{{O}_{3}}\] solution?

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

    B) \[[Co{{(N{{H}_{3}})}_{5}}Cl]C{{l}_{2}}\]

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

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

    Correct Answer: D

    Solution :

    \[[Co{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]\] does not give a precipitate with \[AgN{{O}_{3}}\] solution because in it all the chlorine atoms are attached by secondary valencies.


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