A solid is made of two elements X and Z. The atoms Z are in CCP arrangement while the atom X occupy all the tetrahedral sites. What is the formula of the compound?
A
XZ
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B
XZ2
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C
X2Z
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D
X2Z3
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Solution
The correct option is CX2Z The atoms Z are in CCP arrangement while the atoms X occupy all the tetrahedral sites. The number of tetrahedral sites is twice the number of atoms present in CCP arrangement. Thus, for each Z atom, 2X atoms are present. The formula of the compound is X2Z .