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In Li2O, having the antifluorite structure, the coordination numbers for 2- ions Li+ ions respectively are
- a)4 and 4
- b)4 and 8
- c)8 and 4
- d)6 and 6
Correct answer is option 'C'. Can you explain this answer?
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In Li2O, having the antifluorite structure, the coordination numbers f...
In Li2O, O2- ions forms CCP structure and Li+ ions are present in all tetrahedral voids.
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In Li2O, having the antifluorite structure, the coordination numbers f...
Antifluorite Structure of Li2O
Li2O has an antifluorite structure in which O2- ions form a face-centered cubic (fcc) arrangement and Li+ ions occupy all the tetrahedral voids in the structure.
Coordination Numbers of Ions
The coordination number refers to the number of ions that surround an ion in a crystal lattice. In Li2O, the coordination numbers for Li+ and O2- ions are:
- Li+ ions: The Li+ ions occupy all the tetrahedral voids in the fcc arrangement of O2- ions. Each Li+ ion is surrounded by four O2- ions, so the coordination number of Li+ ions is 4.
- O2- ions: The O2- ions form the fcc arrangement and are surrounded by Li+ ions at all the tetrahedral voids. Each O2- ion is surrounded by eight Li+ ions, so the coordination number of O2- ions is 8.
Therefore, the correct option is C) 8 and 4.
Li2O has an antifluorite structure in which O2- ions form a face-centered cubic (fcc) arrangement and Li+ ions occupy all the tetrahedral voids in the structure.
Coordination Numbers of Ions
The coordination number refers to the number of ions that surround an ion in a crystal lattice. In Li2O, the coordination numbers for Li+ and O2- ions are:
- Li+ ions: The Li+ ions occupy all the tetrahedral voids in the fcc arrangement of O2- ions. Each Li+ ion is surrounded by four O2- ions, so the coordination number of Li+ ions is 4.
- O2- ions: The O2- ions form the fcc arrangement and are surrounded by Li+ ions at all the tetrahedral voids. Each O2- ion is surrounded by eight Li+ ions, so the coordination number of O2- ions is 8.
Therefore, the correct option is C) 8 and 4.
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In Li2O, having the antifluorite structure, the coordination numbers for 2- ions Li+ ions respectively area)4 and 4b)4 and 8c)8 and 4d)6 and 6Correct answer is option 'C'. Can you explain this answer?
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