NEET Sample Paper NEET Sample Test Paper-19

  • question_answer The most acidic oxide is

    A)  CaO              

    B)  MgO

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

    D) \[A{{l}_{2}}{{O}_{3}}\] 

    Correct Answer: D

    Solution :

    Na, Mg and Ca are highly reactive metals and their oxides are strongly basic whereas\[A{{l}_{2}}{{O}_{3}}\]is amphoteric. So among all these oxides \[A{{l}_{2}}{{O}_{3}}\]is comparatively acidic. Hence, the correct option is [d].

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