JCECE Engineering JCECE Engineering Solved Paper-2011

  • question_answer
    Which ion has the lowest radius from the following ions?

    A) \[N{{a}^{+}}\]                                   

    B) \[M{{g}^{2+}}\]

    C) \[A{{l}^{3+}}\]                                  

    D) \[S{{i}^{4+}}\]

    Correct Answer: D

    Solution :

    Ionic radii varies inversely with nuclear charge. Higher the nuclear charge, smaller is the ionic radii. Since, \[S{{i}^{4+}}\] has the highest nuclear charge among the given, so it has lowest ionic radii.


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