Question

write the chemical formula of the following metal complexes or complex ions: aquatrihydroxocobaltate(II) tribromocarbonyliron(III) dichlorobis(ethylenediamine)zinc(II)

write the chemical formula of the following metal complexes or complex ions:

aquatrihydroxocobaltate(II)

tribromocarbonyliron(III)

dichlorobis(ethylenediamine)zinc(II)

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Answer #1

1) There are two types of ligands in complex.

Neutral ligand. aqua ( H2O )

Negative ligand : Hydroxo ( OH-)

Oxidation state of Co is +3.

Charge on complex = -1

[Co(OH)3(H2O)] -

2) There are two types of ligands in complex.

Neutral ligand. Carbonyl CO

Negative ligand : Bromide ( Br-)

Oxidation state of Fe is +3.

Charge on complex = 0

[FeBr3CO]

3) There are two types of ligands in complex.

Neutral ligand. ethylene diammine (en)

Negative ligand : Chloro ( Cl-)

Oxidation state of Zn = +2

Charge on complex = 0

[ZnCl2(en)2]

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write the chemical formula of the following metal complexes or complex ions: aquatrihydroxocobaltate(II) tribromocarbonyliron(III) dichlorobis(ethylenediamine)zinc(II)
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