What are the coordination number (C.N.) and oxidation number (O.N.) of the trans

Question

What are the coordination number (C.N.) and oxidation number (O.N.) of the transition metal atom in [Co(NH3)2(H2O)2Cl2]+
Please explain your answer and how coordination numbers work What are the coordination number (C.N.) and oxidation number (O.N.) of the transition metal atom in [Co(NH3)2(H2O)2Cl2]+
Please explain your answer and how coordination numbers work What are the coordination number (C.N.) and oxidation number (O.N.) of the transition metal atom in [Co(NH3)2(H2O)2Cl2]+
Please explain your answer and how coordination numbers work

Explanation / Answer

The Co compound is attached with two NH3, two H2O and two Cl2

Hence the coordination number will be equal to 6 (since these are all mono ligands)

Now coming to oxidation number

NH3 and H2O are neutral in nature, whereas Cl will have a charge of -1

Let the charge of Cr be x

x + 2(-1) = overall charge = 1

x - 2 = 1

x = 3

Hence the charge on transition metal Cr will be +3

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