Given [Ni(CN)4]² complex ion. i. Identify the ligand. ii. Determine the oxidation state of Nickel.

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

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Q: What is a Chelate ligand? Give one example.

A: A ligand is a molecule or an ion that donates a pair of e- to the central metal ion or ion to result…

Q: Why are low spin tetrahedral complexes not formed?

A: The division of d-orbitals present in central metal ion in sets of two different energies occur in…

Q: Illustrate the concepts of Transition-Metal Complexes?

A: Transition metal complexes are also named as coordination compounds. These complexes involve ions of…

Q: inner orbital complexes are formed by which type of ligands , strong or weak ?

A: Crystal field splitting is defined as the difference in the energies between the lower-energy (dxy,…

Q: The total no of electrons that are donated by CN ligands in the following complex is: [Fe(CO)2(CN)4]…

A: The contribution of electron by CN ligand has been explained as follows

Q: Which ions are unlikely to form colored coordination complexes in an octahedral ligand environment?…

A: Colour for the complex is arise due to electronic transition. If no any transition possible compound…

Q: <p>The complexes of Fe^3+ have magnetic properties that depend on whether the ligands are…

A: Iron, Fe has electronic configuration [Ar]4s23d6.  Hence, during the formation of Fe3+ ions, the…

Q: CI H20, 1H,0 Co 'CI H2 H20

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Q: is nitric oxide (NO) an ambidentate ligand?

A: ✓ A ligand is an ion or molecule that binds to a central metal atom to form a coordination…

Q: If W, X, Y, and Z are different monodentate ligands, how many geometric isomers are there for each…

A: The number of geometrical isomers is to be determined for each of the given complex ion. The isomers…

Q: What is the distinction between a weak-field ligand and astrong-field ligand? Give an example of…

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Q: What determine whether a molecule or ion complex is chiral? How would you differentiate between…

A: A chiral is an object that is not identically super-imposable with a mirror image of itself. An…

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

A: Octahedral Fe2+ complex:

Q: Differentiate between monodentate ligands, bidentate ligands,and polydentate ligands?

A: Difference between monodentate ligands, bidentate ligands,and polydentate ligands has to be given,

Q: 4) What is the shape of the complex ion? 5) Are the ligands strong or weak? 6) Is the compound high…

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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: Compare the ligand field strengths of CO and Cl, in terms of the types of bonds in which they can be…

A: CO is Sigma donor and pi acceptor ligand while Cl is only Sigma donor ligand .thus there type of…

Q: The complex [Mn(NH3)6]2+ contains five unpaired electrons.Sketch the energy-level diagram for the d…

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Q: How is Ao defined for octahedral transition metal complexes?

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Q: True or false: a. Weak field ligands tend to form low spin complexes upon binding with metal…

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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: Which of these ligands can participate in linkage isomerism:(a) NO2-; (b) SO2; (c) NO3-? Explain…

A: Linkage isomerism Suppose two complexes have the same molecular formula. But their structures differ…

Q: 3. form 93. In order to form a complex ion 1. the central metal ion or atom shouls have low laying d…

A: Metal complexes are formed  by forming metallic or coordiantion bonds with neutral or negative atoms…

Q: Which ligand is most likely to stabilize a metal in a low oxidation state?

A: H2O and NO and NH3 are all neutral ligands SO2 stabilize a metal in a low oxidation State a negative…

Q: Explain the following: (i) Low spin octahedral complexes of nickel are not known. (ii) The…

A: Low spin octahedral complexes are formed when the central metal atom undergo d2sp3 hybridisation by…

Q: Which atom is a common linkage site in polydentate ligands?

A: Polydendate ligands are those ligands which have more than 2 donar atoms .

Q: Ligands which can easily donate _____(electron pairs /unpaired electrons /protons /neutrinos) to a…

A: Ligands that have occupied p orbitals are potential electron donors. These types of ligands donate…

Q: Which of the following is a bidentate ligand? A) H,O, 2 B) NO, 2 C) H̟NCH,CH,NH, D) NH, E) SCN

A: Bidentate ligand is ligand in which two donor atoms are present.

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: Can any of the following serve as ligands in coordination complex?  Why or why not? a.  CO b.  NH4+…

A: In a coordination complex, a ligand is a molecule that can donate electrons to the central atom.

Q: When a certain weak-field ligand forms an octahedral complex with Coʻ 2+ cation, the energies of the…

A: We have find out the unpaired electrons,  nature and colour of octahedral complex.

Q: What is required of Lewis bases to act as ligands in coordination compounds?

A: Lewis base is a species which can donate electron pair to a Lewis acid.

Q: In the following list, identify a transition metal cation that cannot be used to distinguish between…

A: To identify a transition metal cation that cannot be used to distinguish between strong-field and…

Q: Determine the oxidation state and coordination number of the metal ion in each complex ion. a.…

A: The oxidation state and coordination of the metal ion in each complex has to be given.

Q: In the below coordination compound, the sodium ions are A._______the hydroxide ions are counterions…

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Q: The complex ion [Co(CO3)3]3-, an octahedral complex with bidentate carbonate ions as ligands, has…

A: (a)

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

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Q: Given: CN^- is a stronger field ligand compared to SCN^-. Briefly explain why a complex formed…

A: CN- is strong field ligand than SCN- ,          When it forms complex with Iron. There will be…

Q: The complex [Fe(CO)6]+2 exhibits π-acceptor behavior. Using ligand field theory, draw the molecular…

A: Ligand field theory is the theory which includes both the ionic and covalent bonding of the…

Q: The complex (Fe(H,O)]* is paramagnetic. Is the H,0 ligand inducing a strong or weak field?

A: The coordination complex is the compound that does not lose its identity in the solution. The…

Q: The effective atomic number of the [Co (en) 3] Cl3 complex is 36, and the complex obeys this rule.…

A: According to the effective Atomic Number (EAN) rule, if a coordination compound contains total of…

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: Name the following metal complexes or complex ions: formula name [re(co),]* [cr{OH),(en).]"

A: 1. Tetracarbonyl iron(III)

Q: How many ligands are found on the coordination compound: [Co(NH3)5CI]Cl2 ? O A. 8 B. 6 O C.4 O D.5

A: How many ligand found in the given complex ?

Q: If this is the only place in the visible spectrum where the complex absorbs light, what color would…

A: When a complex absorbs all the visible light except one then the one which is not absorbed by the…

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.