Given an alloy of \( \mathrm{Cu}, \mathrm{Ag} \) and \( \mathrm{Au}...

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Given an alloy of \( \mathrm{Cu}, \mathrm{Ag} \) and \( \mathrm{Au} \) in which \( \mathrm{Cu} \) atoms constitute the CCP arrangement.If the hypothetical formula of the alloy is \( \mathrm{Cu}_{4} \mathrm{Ag}_{3} \mathrm{Au} \). What are the probable locations of \( \mathrm{Ag} \) and \( \mathrm{Au} \) atoms.
\( \mathrm{P} \)
(A) Ag - All tetrahedral voids; Au - all octahedral voids
(B) \( \mathrm{Ag}-3 / 8^{\text {th }} \) tetrahedral voids; \( \mathrm{Au}-1 / 4^{\text {th }} \) octahedral voids
(C) \( \mathrm{Ag}-1 / 2 \) octahedral voids; \( \mathrm{Au}-1 / 2 \) tetrahedral voids
W
(D) \( \mathrm{Ag} \) - all octahedral voids; \( \mathrm{Au} \) - all tetrahedral voids
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