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Manipal Engineering Manipal Engineering Solved Paper-2009

  • question_answer
    The oxide of an element whose electronic configuration is\[1{{s}^{2}},\,\,2{{s}^{2}},\,\,2{{p}^{6}},\,\,3{{s}^{1}}\]is

    A)  neutral          

    B)         amphoteric

    C)  basic                    

    D)         acidic

    Correct Answer: C

    Solution :

    \[Na(11):1{{s}^{2}},\,\,2{{s}^{2}}2{{p}^{6}},\,\,3{{s}^{1}}\] It is an alkali metal. Alkali metal oxides are basic in nature.


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