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Chapter 19: 75AE (page 814)

Nickel can be purified by producing the volatile compound nickel tetracarbonyl $[Ni {(CO)}_{4}]$ . Nickel is the only metal that reacts directly with CO at room temperature. What is the oxidation state of nickel in $[Ni {(CO)}_{4}]$ ?

Short Answer

Expert verified

The oxidation state of Ni in $[Ni {(CO)}_{4}]$ is 0

Step by step solution

Nature of CO ligand

CO is a neutral ligand, that is why is does not impart any charge to the metal ion.

Electronic configuration of Ni in [NiCO4]

Ni has an electronic configuration of 4s²3d⁸ in $[Ni {(CO)}_{4}]$

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Most popular questions from this chapter

Why do tetrahedral complex ions have a different crystal field diagram than octahedral complex ions? Why are virtually all tetrahedral complex ions “high spin”?

Rank the following complex ions in order of an increasing wavelength of light absorbed.

$Co {(H_{2} O)}_{6}^{3 +}, Co {(CN)}_{6}^{3 -}, Co {(I)}_{6}^{3 -}, Co {(en)}_{3}^{3 +}$

Carbon monoxide is toxic because it binds more strongly to iron in hemoglobin (Hb) than does $O^{2}$ . Consider the following reactions and approximate standard free energy changes:

$Hb + O_{2} \to {HbO}_{2}, ΔG ° = - 70 kJ$

Using these data, estimate the equilibrium constant value at 258C for the following reaction:

${HbO}_{2} + CO \to HbCO + O_{2}$

Write electron configurations for each of the following.

$\begin{array}{l} a . Ti, {Ti}^{2 +}, {Ti}^{4 +} \\ b . Re, {Re}^{2 +}, {Re}^{3 +} \\ c . Ir, {Ir}^{2 +}, {Ir}^{3 +} \end{array}$

Would it be better to use octahedral ${Ni}^{2 +}$ complexes or octahedral ${Cr}^{2 +}$ complexes to determine whether a ligand is a strong-field or a weak-field ligand by determining experimentally the number of unpaired electrons? How else could the relative ligand field strengths be determined?

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Nickel can be purified by producing the volatile compound nickel tetracarbonyl $[Ni {(CO)}_{4}]$ . Nickel is the only metal that reacts directly with CO at room temperature. What is the oxidation state of nickel in $[Ni {(CO)}_{4}]$ ?

Short Answer

Step by step solution

Nature of CO ligand

Electronic configuration of Ni in [NiCO4]

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Most popular questions from this chapter

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Nickel can be purified by producing the volatile compound nickel tetracarbonyl [NiCO4]. Nickel is the only metal that reacts directly with CO at room temperature. What is the oxidation state of nickel in [Ni(CO)4]?

Short Answer

Step by step solution

Nature of CO ligand

Electronic configuration of Ni in [NiCO4]

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Chemical Analysis

Chemistry Branches

Kinetics

Inorganic Chemistry

Physical Chemistry

The Earths Atmosphere

Study anywhere. Anytime. Across all devices.

Nickel can be purified by producing the volatile compound nickel tetracarbonyl $[Ni {(CO)}_{4}]$ . Nickel is the only metal that reacts directly with CO at room temperature. What is the oxidation state of nickel in $[Ni {(CO)}_{4}]$ ?