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Home  >>  AIMS  >>  Class12  >>  Chemistry  >>  Solid State
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The ZnS Structure is cubic. The unit cell be described as a face-centered sulphide ion sub- lattice with Zinc ions in the centers of alternating minicubes made by part on the main cube into eight equal parts.d) What minimum $\large\frac{r_+}{r_-}$ ratio is needed to avoid anion-anion contact? Closest cation-anion is assumed to touch.

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Hence (B) is the correct answer.
answered Jun 4, 2014 by sreemathi.v
 

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