Consider the following complex `[Co(NH_(3))_(5)CO_(3)]ClO_(4)`
The coordination number, oxidation number number of d-electrons and number of unpaired d-electrons on the metal are respectively

Options

A. `{:("Coordination no.","Oxidation no.","No. of d-electrons","Unpaired d-electron"),(6,3,6,0):}`
B. `{:("Coordination no.","Oxidation no.","No. of d-electrons","Unpaired d-electron"),(7,2,7,1):}`
C. `{:("Coordination no.","Oxidation no.","No. of d-electrons","Unpaired d-electron"),(7,1,6,4):}`
D. `{:("Coordination no.","Oxidation no.","No. of d-electrons","Unpaired d-electron"),(6,2,7,3):}`

Answer

A