CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2008

  • question_answer
    A compound is formed by elements A and B. This crystallizes in the cubic structure where the A atoms are at the corners of the cube and B atoms are at the body centres. The simplest formula of the compound is

    A)  AB                                        

    B)  \[{{A}_{6}}B\]

    C)  \[{{A}_{8}}{{B}_{4}}\]                   

    D)  \[A{{B}_{6}}\]

    Correct Answer: A

    Solution :

    Since A atoms are present at the comers of the cube, Number of A atoms per unit cell \[=8\times \frac{1}{8}=1\] Number of B atoms per unit cell = 1       (\[\because \] present at the body centre of the cube) Hence, the formula of the compound = AB


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