JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Alkali Metals

  • question_answer
    An inorganic compound first melts then resolidifies and then liberates a gas. It may be [DPMT 2002]

    A) \[Mn{{O}_{2}}\]

    B) \[A{{l}_{2}}{{O}_{3}}\]

    C) \[KMn{{O}_{4}}\]

    D) \[KCl{{O}_{3}}\]

    Correct Answer: D

    Solution :

      \[2KCl{{O}_{3}}\to 2KCl+3{{O}_{2}}\].


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