Naming Coordination Compounds Rules

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When naming coordination compounds, what is the correct order for naming the cation, ligands, and central atom/ion?

Ligands, cation, central atom/ion
Central atom/ion, cation, ligands
Cation, central atom/ion, ligands
Cation, ligands, central atom/ion (correct)

Which of the following ligands would typically end in -o according to IUPAC rules for naming coordination compounds?

NH3
H2O
NO
CO (correct)

In the formula [NiCl2(PPh3)2], what is the correct IUPAC name for this coordination compound?

Nickel chloride phosphine
Dichloridobis(triphenylphosphine)nickel(II) (correct)
Nickel dichloride diphenylphosphide
Chloridodiphosphonickel(II)

Which rule determines whether the metal in a complex ion is named as just the element or with the suffix -ate?

Whether the complex ion is a cation or anion (A) Signup and view all the answers

What prefixes are used to indicate the number of individual ligands in a coordination entity when numerical prefixes are already present in the ligand names?

Bis-, tris-, tetrakis- (D) Signup and view all the answers

How is the oxidation state of the metal in a coordination compound usually indicated in IUPAC naming?

By a Roman numeral in parenthesis after the central atom/ion name (B) Signup and view all the answers

What is the correct IUPAC name for [Cr(NH3)3(H2O)3]Cl3?

triamminetriaquachromium(III) chloride (D) Signup and view all the answers

Why does the oxidation number of chromium in [Cr(NH3)3(H2O)3]Cl3 need to be +3?

To match the charge of the complex ion. (B) Signup and view all the answers

What is the correct IUPAC name for [Co(H2NCH2CH2NH2)3]2(SO4)3?

tris(ethane-1,2–diamine)cobalt(III) sulphate (A) Signup and view all the answers

Why is the oxidation number of cobalt in [Co(H2NCH2CH2NH2)3]2(SO4)3 assigned as +3?

Due to the requirement for a net charge of +3 on the complex cation. (A) Signup and view all the answers

In coordination compounds, how are amine ligands typically named compared to aqua ligands?

Amine ligands are named first in alphabetical order before aqua ligands. (B) Signup and view all the answers

Why is it unnecessary to indicate the number of cations and anions in the name of an ionic compound?

To avoid redundancy as charges balance out in a formula unit. (D) Signup and view all the answers

What is the IUPAC name for [Pt(NH3)2Cl(NH2CH3)]Cl?

Diamminedichloridomethylamine platinum(II) chloride (C) Signup and view all the answers

Which of the following formulas corresponds to 'Potassium tetracyanidonickelate(II)'?

K2[Ni(CN)4] (D) Signup and view all the answers

What is the IUPAC name for [Co(NH3)4(H2O)Cl]Cl2?

Chlorotetraamminediaquacobalt(III) chloride (D) Signup and view all the answers

Which of the following is the formula for 'Dichloridobis(ethane-1,2-diamine)cobalt(III)'?

[CoCl2(en)2]+ (C) Signup and view all the answers

What is the IUPAC name for [CoCl2(en)2]Cl?

Dichloridobis(ethane-1,2-diamine)cobalt(III) chloride (D) Signup and view all the answers

Which formula represents 'Potassium trioxalatoaluminate(III)'?

K3[Al(C2O4)3] (B) Signup and view all the answers