Answer :
The number of ligands attached to the central metal atom/ion is referred to as the coordination number.
There will be zero electron in d sub shell.
What is meant by coordination compounds?
Coordination compound is the class of substance with chemical structures in which a central metal atom is surrounded by non metal atoms or groups of atoms called ligands, joined to it by chemical bonds.
Properties of chemical compounds are colour, magnetic, susceptibility, solubility and volatility, an ability to undergo oxidation reduction reaction and catalytic activity.
In the given compound electronic configuration of Ti is 3d²4s².
Oxidation number of Cl is -1 and overall is -2 .
x + 6(-1) = -2
Simplifying the above equation, we get
x = +4
Now the electronic configuration will be 3d⁰4s⁰.
So there will be no electron in the d Orbital.
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