Radii were reported as follows: Ti4+ = 60 pm; O2‒ = 140 pm. Based on this, tell as much as you can about the expected structure of TiO2 – provide the hole type for the cation, the cell lattice, and the coordination numbers for both cation and anion.

Chemistry & Chemical Reactivity
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Chapter21: The Chemistry Of The Main Group Elements
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Radii were reported as follows: Ti4+ = 60 pm; O2‒ = 140 pm. Based on this, tell as much as you
can about the expected structure of TiO2 – provide the hole type for the cation, the cell lattice,
and the coordination numbers for both cation and anion. 

Expert Solution
Step 1

 TiO2 has  a tetragonal geometry.

 TiO2 is a fluorite structure that means AB2 type formula.

Coordination number of Ti4+ is 6

Coordination number of O2- is 3

 

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