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JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank Self Evaluation Test - Classification of Elements and Periodicity in Properties

  • question_answer
    An element X occurs in short period having configuration \[n{{s}^{2}}n{{p}^{1}}\]. The formula and nature of its oxide is

    A) \[X{{O}_{3}}\], basic               

    B) \[X{{O}_{3}}\] acidic

    C) \[{{X}_{2}}{{O}_{3}},\] amphoteric

    D) \[{{X}_{2}}{{O}_{3}}\]basic

    Correct Answer: C

    Solution :

    [c] \[n{{s}^{2}}n{{p}^{1}}\]is the electronic configuration of III A period.\[A{{l}_{2}}{{O}_{3}}\] is amphoteric oxide


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