JEE Main & Advanced Chemistry The s-Block Elements Question Bank Critical Thinking

  • question_answer Magnesium burns in air to give [CPMT 1988, 89; AFMC 1987]

    A) \[MgO\]

    B) \[M{{g}_{3}}{{N}_{2}}\]

    C) \[MgC{{O}_{3}}\]

    D) \[MgO\] and \[M{{g}_{3}}{{N}_{2}}\] both

    Correct Answer: D

    Solution :

    \[2Mg+{{O}_{2}}\to 2MgO\] \[3Mg+{{N}_{2}}\to M{{g}_{3}}{{N}_{2}}\]

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