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What is the CN of cation and anion in a ...

What is the `CN` of cation and anion in a corundum structure?

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To determine the coordination number (CN) of cation and anion in a corundum structure (Al₂O₃), we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Structure**: - The corundum structure is represented by the formula Al₂O₃, which consists of aluminum (Al) cations and oxygen (O) anions. 2. **Determine the Oxidation States**: ...
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CENGAGE CHEMISTRY ENGLISH-NCERT BASED EXERCISE-Short Answer Type Questions
  1. In a diamond cubic (dc) structure, calculate Z("eff")

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  2. What is the ratio of (TV//OV)("occupied") in spinel an inverse spinel...

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  3. What is the CN of cation and anion in a corundum structure?

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  4. What is the occurrence of different forms of the same compound called?

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  5. How many allotropic forms of Carbon exist?

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  6. How can a substance be made amorphous?

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  7. Why does ZnO show increased electrical conductivity and turns yellow o...

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  8. Why NiO and FeO are nonstroichiometric with the formula Ni(0.98)O and ...

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  9. Why the defectsof the crystalline solids are called thermodynamic defe...

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  10. Why stoichiometric defects are also called intrinsic defects?

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  11. Give the name of one solid which shows both Schottky and Frenkel defec...

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  12. why is Frenkel defects not found in pure alkali metal halides ?

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  13. why does table salt ,NaCl sometimes appear yellow in colour?

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  14. How do the electrical conductivity and resistivity of metallic conduct...

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  15. What is energy gap in bond theory?

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  16. What is photo voltaic cell?

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  17. What happens when ferrimagnetic Fe(3)O(4) is heated to 850 K?

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  18. What happens when ferromagnetic substance is heated to high temperatur...

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  19. Which type of defect is product when NaCl is dopped with AlCl(3)?

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  20. Which point defect lowers the density of a crystal?

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