For which member of the following pairs of complexes  would  Δo  be the larger and why: (a) [Cr(H2O)6]2+ and  [Cr(H2O)6]3+ (b) [CrF6]3- and [Cr(NH3)6]3+

Q: The complex [Co(NH3)6]Cl3 is yellow orange while [Co(OH2)3F3] is blue. Suggest an explanation for…

A: The colour shown by the complexes are the complementary colours of the wavelength of light absorbed.…

Q: K3[Al(C2O4)3]*3H2O is colorless?

A: The given compounds are coordination compounds. Coordination compounds are those compounds which on…

Q: Briefly speculate on why many cobalt (III) compounds are prepared by oxidizing CO(II) salts rather…

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Q: [Cr(H2O)6] 2+ is violet. Another CrL6 complex is green. Can ligand L be CN-? Can it be Cl-? Explain.

A: The octahedral splitting energy of transition elements is the difference in the energy of the…

Q: Illustrate the Transition-Metal Complexes?

A: Transition metals are d-block elements. These elements can co-ordinate with negative or neutral…

Q: A complex, ML62+, is violet. The same metal forms a complex with another ligand, Q, that creates a…

A: Given: The complex given is  This complex is violet. The metal gets attached to the weak field…

Q: Is it possible for a complex of a metal in the transition series to have six unpaired electrons?…

A: Transition metals form stable ions due to its incompletely filled d-orbitals. The d-subshell in…

Q: The compound 1,1,1-trifluoroacetylacetone (tfa- is a bidentate ligand: CF,CC H2CCH3 2+ It forms a…

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Q: The coordination complex [Cr(CO)6] forms colorless, diamagnetic crystals that melt at 90 °C. Given…

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Q: • Give the formulas of these coordination complexes: • a. Tris(acetylacetonato)iron(III) • b.…

A: as per our guidelines we are supposed to answer only 3 sub- parts. Please repost others. a.…

Q: Explain the differences between high-spin and low-spin metal complexes.

A: Complexes with weak field ligands have the same number of unpaired electrons as the free metal ion…

Q: Which of the following is a π-donor ligand О со OPPh3 O Br O CN- The coordination number of Hg…

A: Transiston metal are those in which last electron enter the d-subshell.

Q: Draw the crystal-field energy-level diagrams and showthe placement of d electrons for each of the…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: How many unpaired electrons are there in a high-spin octahedral Fe2+ complex? A diagram will likely…

A: Octahedral Fe2+ complex:

Q: Sketch the structure of the complex in each of the follow- ing compounds and give the full compound…

A: a) The Cis-[Co(NH3)4(H2O)2](NO3)2 complex is cis isomer that means the same ligands come on the same…

Q: The high spin d complex [Cr(H20]z2* is labile but the low spin d' complex ion [Cr(CN)6]+ is inert.…

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Q: The compound 1,1,1-trifluoroacetylacetone (tfa) is a bidentate ligand. It forms a tetragedral…

A: 1,1,1-trifluoroacetylacetone  undergoes Tautmerization from keto to enol. and this enol form reacts…

Q: on the basis of crystal field theory explain why Co(III) forms paramagnetic octahedral complex with…

A: CFT stands for crystal field theory which explains the splitting of degeneracies of d- and…

Q: why do some d-block elements form colored complexes with various ligands

A: in complexes of the transition metals the D orbitals do not all have the same energy. the pattern of…

Q: i. State TWO (2) characteristics of a o-donor ligand. By using one example, explain how to change a…

A: A sigma-donor ligand is a ligand that acts as a Lewis base donating electrons from a lone pair to…

Q: 2. Give two authentic examples of tetragonal elongated paramagnetic octahedral Cr(IV) complexes by…

A: The two authentic examples of tetragonal elongated paramagnetic octahedral Cr(IV) complexes has to…

Q: Q3. Calculate the crystal field stabilization energy (in terms of Da) for the complexes:…

A: Applying formula of CFSE  =[ x×-0.4+y×0.6]∆° + ZP  Where  X is no of electrons in t2g  Y is no of…

Q: 9 A complex with the composition [MA₂B₂]X₂ is found to have no geometrical isomers. Both A and B are…

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Q: Two Fe(II) complexes have low spin but different ligands. The solution of one is green, while the…

A: Given:- Two Fe(II) complexes have low spin but different ligands. The solution of one is green,…

Q: The coordination complex [Cr(CO)6] forms colorless, diamagnetic crystals that melt at 90 °C. Given…

A: A substance is diamagnetic in nature if all the electrons are paired. For a complex to be colored,…

Q: Identify each of the following coordination complexes as either diamagnetic or paramagnetic: (a)…

A: To determine magnetic behavior of complexes: The following coordination complexes are a). (Ag…

Q: Write the coordination number and oxidation state of Platinum in the complex [ Pt ( en ) , C1₂ ]

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Q: b) For each of the following pairs, identify the molecule that is more likely to act as a ligand in…

A: b)      We have pair of ions or molecules in both parts , we have to predict one which can act as…

Q: How would you distinguish experimentally between the two configurations of high and low spin in d4…

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Q: 1. Give the d orbitals electronic configurations for the following complexes in On symmetry: a.…

A: The formation of an octahedral complex requires six ligands.

Q: Let us consider the following coordination complexes: [Fe(CN6)]3- Given that the chloride ion and…

A: The given coordination complex is a cyanide containing complex, and cyanide is a strong field…

Q: Identify each of the following coordination complexes as either diamagnetic or paramagnetic: (a)…

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Q: Aqueous solutions of one of the following complexes of Cr(III) absorb yellow ; the other absorbs…

A: Given compounds, Cr(H2O)63+  and  Cr(NH3)63+

Q: Would it be better to use octahedral complexes of Cr3+ or Co3+ to determine whether a given ligand…

A: In order to decide the strength of ligands, the following factors have to check; The electronic…

Q: What simple chemical tests could you use to distinguish between the coordination complex isomers…

A: In A two water molecules are in the outside of the coordination sphere and in B there is one water…

Q: Explain why tetrahedral complexes are mostly low-spin or high-spin.

A: The central atom in the tetrahedral geometry is linked to four surrounding atoms. All of these are…

Q: What is the oxidation state of the metal centre in the [Cr(CO3)3(C6H6)] complex?

A: Explanation-       Cr(CO3)3(C6H6)] complex is the name (η 6 -benzene ) tricarbonyl chromium(0).…

Q: Suppose that you want to determine whether a ligand X is a weak-field or strong-field ligand. Would…

A: Strong field ligand are able to pair the electrons while weak field ligand are not able to pair…

Q: Arrange the following complexes in terms of ligand strength: [Cr(OH)6]3–, [Cr(NH3)6]3+, and…

A: The ligand strength is determined by the value of ∆° ie splitting energy. Various ligands are…

Q: abilization Energy for the following complexes and classify the complexes as diamagnetic vs…

A: Crystal field stabilization energy (cfse) is the energy of splitting of d- orbital of a metal center…

Q: 4. *The three complexes [Co(NH3)6]3*, [Co(NH3)5(H20)]³*, and [CoF6]3- are colored red, yellow, and…

A: The question is based on the concept of coordination compounds. We have to assign different colours…

Q: a) Provide the name of the coordination complex Na[COCI,(NH3),] b) Calculate the orbital…

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Q: Write the formula for a complex formed between Ag+ and NH, with a coordination number of 2. formula:…

A: Here, we have to write the formula of a complex formed between Ag+ and NH3 with a coordination…

Q: [NİCI2(PPH3)2] is paramagnetic while [PtCl2(PPH3)2] is diamagnetic, what are the possible structures…

A: Though Ni(II) and Pt (II) are both d8 system, Ni complex is tetrahedral, whereas Pt complex is…

Q: Identify each of the following coordination complexes as either diamagnetic or paramagnetic: (a)…

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Q: What are the electron configurations for an octahedral d7 complex with 1 weak-field and 2…

A: Strong field ligands: Those ligands which cause larger splitting of d orbitals and favour pairing of…

Q: What are the coordination numbers of cobalt(III), plat-inum(II), and platinum(IV) in complexes?

A: The coordination no. or ligancy of the central metal atom in a complex is defined as the total no.…