RAJASTHAN PMT Rajasthan - PMT Solved Paper-2004

  • question_answer
    Which of the following is square planar?

    A)  \[Cl{{F}_{3}}\]      

    B)  \[S{{O}_{3}}\]

    C)  \[{{[Pt{{(Cl)}_{4}}]}^{2-}}\]  

    D)  \[HgC{{l}_{2}}\]

    Correct Answer: C

    Solution :

    \[{{[PtC{{l}_{4}}]}^{2-}}\] has square-planar geometry in it Pt is \[ds{{p}^{2}}\]-hybridized. \[_{78}Pt=[Xe]4{{f}^{14}}\,5{{d}^{8}}\,6{{s}^{2}}\] \[P{{t}^{2+}}=[Xe]\,4{{f}^{14}}\,5{{d}^{8}}\,6{{s}^{0}}\,6{{p}^{0}}\]


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