CMC Medical CMC-Medical VELLORE Solved Paper-2015

  • question_answer
    Which of the following oxides is highly basic?                                   

    A)  \[BaO\]                              

    B)  \[A{{l}_{2}}{{O}_{3}}\]

    C)  \[C{{r}_{2}}{{O}_{3}}\]                 

    D)  \[N{{a}_{2}}O\]

    E)  None of these

    Correct Answer: A

    Solution :

                    Basic nature of oxide will decrease from left to right. And in group basic nature will increase from top to bottom according to that \[BaO\] is more basic.


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