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J & K CET Engineering J and K - CET Engineering Solved Paper-2009

  • question_answer
    The \['d'\]orbital involved in the hybridisation in the\[PC{{l}_{5}}\] molecule is

    A)  \[3{{d}_{{{x}^{2}}-{{y}^{2}}}}\]

    B) \[3{{d}_{{{z}^{2}}}}\]

    C)  \[3{{d}_{xy}}\]

    D)  \[4{{d}_{{{x}^{2}}-{{y}^{2}}}}\]

    Correct Answer: B

    Solution :

     In \[PC{{l}_{5}},\] No. of hybrid orbitals = no. of a bonds + lone pair \[~=5+0=5\] Thus, hybridisation is\[s{{p}^{3}}d.\]The d-orbital involved in the \[s{{p}^{3}}d\]hybridisation is \[3{{d}_{{{z}^{2}}}}.\]


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