Predict the number of unpaired electrons in `[CoCl_4) ^(2-) ` ion on the basis of ` VB`

Explanation

Central metal atom and its outer electronic configuration : ` Co:3d^(7) 4s^(2) `
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Nature of Ligand : Weak `Cl^(-) ` field ligand .No pairing occurs.
Hybridise orbitals of the metal atom in the complex ` [CoCl_4]^(2-) `
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