JIPMER Jipmer Medical Solved Paper-1995

  • question_answer
    Which of the following species, is planar?

    A)  \[CO_{3}^{2-}\]           

    B)                         \[N{{H}_{3}}\] 

    C)                         \[PC{{l}_{3}}\]                 

    D)         None of these

    Correct Answer: A

    Solution :

    \[N{{H}_{3}}\]has pyramidal geometry and \[PC{{l}_{3}}\] also has pyramidal geometry. While \[CO_{3}^{2-}\]ion is trigonal planar.


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