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  3. RAJASTHAN ­ PET

RAJASTHAN ­ PET Rajasthan PET Solved Paper-2004

  • question_answer
    The outermost structure of an atom A is\[n{{s}^{2}},n{{p}^{3}}\]. This compound does not form\[A{{F}_{5}}.\] Which of the following statement is false in the given reference?

    A)  A is element of second period

    B)  d-electron is not in A

    C)  The value of n is less than three

    D)  A cannot form tetrahedral compound

    Correct Answer: D

    Solution :

     The outermost electronic configuration of compound A is\[2{{s}^{2}}2{{p}^{3}}\]because it does not form\[A{{F}^{5}}\]. Hence, this element is nitrogen. It can form tetrahedral compound.


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