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NEET Sample Paper NEET Sample Test Paper-1

  • question_answer
    A compound formed by elements A and B has a cubic structure in which A atoms are at the corners of the cube and B atoms are at the face centres. The formula for the compound is

    A)  \[{{A}_{2}}{{B}_{3}}\]                 

    B)  \[A{{B}_{3}}\]

    C)  \[{{A}_{3}}B\]                     

    D)  \[{{A}_{3}}{{B}_{2}}\]

    Correct Answer: B

    Solution :

    Number of corner atom \[(A)=8\times \frac{1}{8}=1\] Number of face centre atom \[(B)=6\times \frac{1}{2}=3\] Hence, formula of the compound is \[A{{B}_{3}}\].


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