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

  • question_answer
    The thermal stability of alkaline earth metal carbonates \[MgC{{O}_{3}},\,CaC{{O}_{3}},\]\[BaC{{O}_{3}}\] and \[SrC{{O}_{3}}\]decreases as [MP PMT 2002]

    A) \[CaC{{O}_{3}}>SrC{{O}_{3}}>MgC{{O}_{3}}>BaC{{O}_{3}}\]

    B) \[BaC{{O}_{3}}>SrC{{O}_{3}}>MgC{{O}_{3}}>CaC{{O}_{3}}\]

    C) \[BaC{{O}_{3}}>SrC{{O}_{3}}>CaC{{O}_{3}}>MgC{{O}_{3}}\]

    D) \[MgC{{O}_{3}}>CaC{{O}_{3}}>SrC{{O}_{3}}>BaC{{O}_{3}}\]

    Correct Answer: C

    Solution :

    Thermal stability increasing from top to bottom.


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