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JEE Main & Advanced Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank Boron Family

  • question_answer
    Which is true for an element \[R\] present in III group of the periodic table [EAMCET 1991]

    A) It is gas at room temperature

    B) It has oxidation state of \[+\,4\]

    C) It forms \[{{R}_{2}}{{O}_{3}}\]

    D) It forms \[R{{X}_{2}}\]

    Correct Answer: C

    Solution :

    Al ® III group ® Forms \[A{{l}_{2}}{{O}_{3}}\]


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