The secondary valency in `[Co(EDTA)]^(2-)` is

The valency of C in CO_(3)^(2-) is

Find the secondary valency of Ni in [Ni(CO)_4] .

Number of chlorides satisifying secondary valency in CoCl_(3)4NH_(3)

Th oxidation state of Co in [Co(EDTA)]^(-1) is

3 moles of metal complex with formula Co ( en) _(2) Cl _(3) gives 3 moles of silver chloride on treatment with excess of silver nitrate . The secondary valency of Co in the complex is ___________. (Round off to the nearest integer)

The secondary valency of chromium in [Cr(en)_(3)]Cl_(3) is

The secondary valency of Chromium in [Cr(en)_(3)]Cl_(3) is