BHU PMT BHU PMT (Screening) Solved Paper-2010

  • question_answer
    In the complex,\[PtC{{l}_{4}}.3N{{H}_{3}},\]the number of ionisable chlorines is

    A)  four                                     

    B)  two

    C)  one                                      

    D)  three

    Correct Answer: C

    Solution :

                     The coordination number of Pt metal is 6, ie, it will get coordinated with six monodentate ligands. Since, here only\[3N{{H}_{3}}\]ligands are present, thus it gets coordinated to three\[N{{H}_{3}}\] ligands and three\[C{{l}^{-}}\]ligands. Hence, only one\[C{{l}^{-}}\]is present outside the coordination sphere, ie, ionisable.\[[Pt{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]Cl\].


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