NEET NEET SOLVED PAPER 2016 Phase-II

  • question_answer
    Which of the following pairs of ions is isoelectronic and is structural?

    A)  \[Co_{3}^{2-},NO_{3}^{-}\]             

    B)  \[Cl_{3}^{-},CO_{3}^{2-}\]

    C)  \[SO_{3}^{2-},NO_{3}^{-}\]             

    D)  \[ClO_{2}^{-},SO_{3}^{2-}\]

    Correct Answer: A

    Solution :

                Both have 32 electrons with trigonal planar structure.


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