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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
    Moissan boron is [DCE 2003]

    A) Amorphous boron of ultra purity

    B) Crystalline boron of ultra purity

    C) Amorphous boron of low purity

    D) Crystalline boron of low purity

    Correct Answer: C

    Solution :

    Moissan boron is amorphous boron, obtained by reduction of \[{{B}_{2}}{{O}_{3}}\] with Na or Mg. It has 95-98% boron and is black in colour.


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