RAJASTHAN ­ PET Rajasthan PET Solved Paper-2011

  • question_answer
    Which of the following is a mixed oxide?

    A)  \[F{{e}_{2}}{{O}_{3}}\]          

    B)  \[Pb{{O}_{2}}\]

    C)  \[Ba{{O}_{2}}\]          

    D)  \[P{{b}_{3}}{{O}_{4}}\]

    Correct Answer: D

    Solution :

     \[P{{b}_{3}}{{O}_{4}}\](Red lead) is a mixed oxide. It is a combination of lead (II) oxide and lead (IV) oxide and can be represented as\[2PbO.Pb{{O}_{2}}\].


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