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Given an alloy of Cu, Ag and in which Cu...

Given an alloy of Cu, Ag and in which Cu atoms consists the CCP arrangement. If the hyphothetical formula of the alloy is `Cu_(4)Ag_(3)Au`. What are the probable locations of Ag and Au atoms?

A

Ag - All tetrahedral voids, Au -all octahedral voids

B

Ag - `3//8^(th)` tetrahedral voids, Au - `1//4^(th)` octahedral voids

C

Ag-1/2 octahedral voids, Au -1/2 tetrahedral voids

D

Ag -all octahedral voids, Au -all tetrahedral voids

Text Solution

Verified by Experts

The correct Answer is:
B
`{:(Cu_(4),"Ag"_(3),Au),(darr,darr,darr),("From c.c.p.,",(3)/(8)th " of tetrhedral voids",(1)/(4) " of octahedral voids "[ :." No. of O-voids = 4"] ),(z = 4,[:. " No. of T -voids" = 8],):}`
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