If the crystallises in zinc blende structure with `I^-` ions at lattice points. What fraction of tetrahedral voids is occupied by `Ag^+` ions ?

Question

If the crystallises in zinc blende structure with `I^-` ions at lattice points. What fraction of tetrahedral voids is occupied by `Ag^+` ions ?

If the crystallises in zinc blende structure with `I^-` ions at lattice points. What fraction of tetrahedral voids is occupied by `Ag^+` ions ?
A. 0.25
B. 0.5
C. 1
D. 0.75

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
In Agl crystals , number of `Ag^+` ions are equal to `I^-` ions . However , the number of tetrahedral voids are twice the number of atoms forming the cubic lattice .
`therefore` Number of tetrahedral voids occupied by `Ag^+` ions = 50%

4 views Answered 2023-02-05 15:29