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CET Karnataka Engineering CET - Karnataka 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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