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  3. WB JEE Medical

WB JEE Medical WB JEE Medical Solved Paper-2015

  • question_answer
    The decreasing order of basic character of \[{{K}_{2}}O,\text{ }BaO,\text{ }CaO\]and \[MgO\]is

    A)  \[{{K}_{2}}O>BaO>CaO>MgO\]

    B) \[~{{K}_{2}}\text{O}>CaO>BaO>MgO\]

    C) \[~~MgO>BaO>CaO>{{K}_{2}}O\]

    D) \[~MgO>CaO>BaO>{{K}_{2}}O\]

    Correct Answer: A

    Solution :

     On the basis of electropositivity of metal, the order of basic character is \[{{K}_{2}}O>BaO>CaO>MgO\]


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