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Chapter 20: Problem 38

Give formulas for the following complex ions. a. tetrachloroferrate(III) ion b. pentaammineaquaruthenium(III) ion c. tetracarbonyldihydroxochromium(III) ion d. amminetrichloroplatinate(II) ion

Short Answer

Expert verified
a. \(\textrm{[FeCl}_{4}\textrm{]}^{3-}\) b. \(\textrm{[Ru(NH}_{3}\textrm{)}_{5}\textrm{(H}_{2}\textrm{O)}]^{3+}\) c. \(\textrm{[Cr(CO)}_{4}\textrm{(OH)}_{2\textrm{]}^{3-}\) d. \(\textrm{[Pt(NH}_{3}\textrm{)Cl}_{3\textrm{]}^{-}\)

Step by step solution

01

a. Tetrachloroferrate(III) ion

Tetrachloroferrate(III) ion consists of a central iron (Fe) atom with an oxidation state of +3 and four chloride (Cl) ligands surrounding it. The formula for the tetrachloroferrate(III) ion can be written as: \[ \textrm{[FeCl}_{4}\textrm{]}^{3-} \]
02

b. Pentaammineaquaruthenium(III) ion

Pentaammineaquaruthenium(III) ion consists of a central ruthenium (Ru) atom with an oxidation state of +3, five ammine (NH3) ligands, and one aqua (H2O) ligand. The formula for the pentaammineaquaruthenium(III) ion can be written as: \[ \textrm{[Ru(NH}_{3}\textrm{)}_{5}\textrm{(H}_{2}\textrm{O)}]^{3+} \]
03

c. Tetracarbonyldihydroxochromium(III) ion

Tetracarbonyldihydroxochromium(III) ion consists of a central chromium (Cr) atom with an oxidation state of +3, four carbonyl (CO) ligands, and two hydroxo (OH) ligands. The formula for the tetracarbonyldihydroxochromium(III) ion can be written as: \[ \textrm{[Cr(CO)}_{4}\textrm{(OH)}_{2\textrm{]}^{3-} \]
04

d. Amminetrichloroplatinate(II) ion

Amminetrichloroplatinate(II) ion consists of a central platinum (Pt) atom with an oxidation state of +2, one ammine (NH3) ligand, and three chloride (Cl) ligands. The formula for the amminetrichloroplatinate(II) ion can be written as: \[ \textrm{[Pt(NH}_{3}\textrm{)Cl}_{3\textrm{]}^{-} \]

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