In a face centered cubic arrangement of \( A \) and \( B \) atoms whose \( \mathrm{A} \) atoms a...

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In a face centered cubic arrangement of \( A \) and \( B \) atoms whose \( \mathrm{A} \) atoms are at the corner of the unit cell and \( \mathrm{B} \) atoms at the face centers. One of the \( \mathrm{B} \) atoms missing from one of the face in unit cell. The simplest formula of compound is
(a) \( \mathrm{AB}_{3} \)
(b) \( \mathrm{A}_{8} \mathrm{~B}_{5} \)
(c) \( \mathrm{A}_{2} \mathrm{~B}_{5} \)
(d) \( \mathrm{AB} \)
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