JIPMER Jipmer Medical Solved Paper-2014

  • question_answer
    Among the following the least thermally stable is

    A)  \[{{K}_{2}}C{{O}_{3}}\]                

    B)     \[N{{a}_{2}}C{{O}_{3}}\]                             

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

    D)     \[L{{i}_{2}}C{{O}_{3}}\]

    Correct Answer: D

    Solution :

    As we go down a group in the periodic table, thermal stability of carbonates increases. Thus \[L{{i}_{2}}C{{O}_{3}}\] is least thermally stable.


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