Potassium trioxalatoferrate(III) solution is green.  What color of light will it absorb the strongest?

Q: In terms of the theory of color absorption, explain two ways that a solution can be blue.

A: Firstly understand the concept of complementary color theory, when a matter connects with white…

Q: QI/ Draw the chemical formula for the compound and calculate the charge of the complex? a-Potassium…

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Q: 4. Which of the following coordination ions is low spin? CA) [Fe(H,O).J* (B) [Co(H;O)]" (c) [FeF«]*…

A: By using the spectrochemical series , we can see the strong field and weak field ligand . On the…

Q: The complexes [V(H2O)6]3+ and [VF6]3- are both known. Which of the two complexes would you expect to…

A: Stronger is the ligand, greater is the crystal field splitting energy, so light of higher energy…

Q: What is the electron configuration of the complex [Co(NH3)6]3+? How do you determine this?

A: The atomic number of the Cobalt is 27The electronic configuration of Cobalt is

Q: Which species are more likely to act as ligands? Positively charged ions or negatively charged…

A: 1.Among positively charged ions or negatively charged ions, species that are more likely to act as…

Q: What happens when transition metals are oxidized?

A: What happens when transition metals are oxidized?

Q: How many unpaired d electrons does ion [Fe(CN)6]3— have when it has a low spin electron…

A:

Q: Given the compound: [Co(en)2(OH)2]OH, what is the three dimensional arrangement for the complex?…

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Q: Which of the following complexes has the greatest number of unpaired electrons?

A: Correct answer = C B has zero unpaired electron

Q: What is the overall charge of the Cobalt(II) complex [CoBr2(C204)2]? O +4 O +8 O +2 O -4

A:

Q: What are high spin and low spin complexes?

A: Ligands that cause a high degree of splitting among the d orbital energy levels produce strong…

Q: The complex has a(n) v geometry. The complex is The electrons are spin.

A: A coordination complex consists of a central atom or ion which is coordinately bonded to other…

Q: Which of the following ions would be colored in solution? A) Hf*+ B) V5+ C) La3* D) Co3* E) Ti**

A:

Q: 7. Solutions of transition metal ions are coloured because A The ions have variable oxidation states…

A: Transition metals are the d-block element and these elements lie in between the most electronegative…

Q: Give 3 reasons to explain why transition metals deadly form complexes with neutral molecules or…

A: Transition metals are the D-block elements of the periodic table. Transition metals mostly form the…

Q: Which of the following has the maximum number of unpaired electrons? ans. Cot Cr+ Cut Mn+

A:

Q: complex ion [Co(H2O)6]3+[Co(H2O)6]3+ has a maximum absorbance wavelength of 600. nm.600. nm.…

A: In a complex ground state of  electrons  absorb energy excited into  high energy level CFSE:crystal…

Q: Write the formula for each of the following compounds, being sure to use brackets to indicate the…

A: In chemistry, the molecular formula represents the compound that is denoted by the element's symbol…

Q: Based on electron configuration, which is most likely colorless?   A [Cu(NH3)4]^2+ B[Cd(NH3)4]^2+ C…

A: A multiple choice question based on coordination complexes that is to be accomplished.

Q: 16 1 1111 Example 4. Why do the transition elements exhibit higher enthalpies of atomisation? ( ADA…

A: The transition elements exhibit higher enthalpy of atomisation because

Q: how to determine the formula for the complex copper(II) ammine ion?

A:

Q: 5. a) Draw the structures of the following complexes: i) Dichlorobis(ethylenediamine)platinum(IV)…

A: We have to draw the structure of the given coordination compounds, from the given names.

Q: Co+2 complexes are more stable than fe+2 complexes? Give reason

A: Interpretation -  To tell about why Co2+ complex are more stable than Fe2+ complex -…

Q: Why are tetrahedral complexes high spin?

A: In tetrahedral molecular geometry, a central atom is located at the center of four substituent…

Q: How many unpaired electrons are there in the low-spin state of Co2+ in an tetrahedral field?

A: In any "coordination complex" electrons get filled depending upon ligand nature. If "strong ligand"…

Q: The coordination compound [Co(NH3)5Cl]Cl2 is analogous to which simple salt? a) NaOH b) AlCl3…

A: We are given a coordination compound [Co(NH3)5Cl]Cl2

Q: Is the chromate ion or dichromate ion more stable in an acidic solution? Which ion has a higher Cr:O…

A: A species gains or loses electrons to form anions or cations respectively. A gain in electron is…

Q: Suggest a reason why copper(II) compounds are often colored but copper(I) compounds are colorless.

A: Given :  why copper(II) compounds are often colored but copper(I) compounds are colorless ?  To…

Q: How many unpaired electrons do you predict for the tetrahedral [MnCl4]2- ion?

A: In the tetrahedral complexes, the three d orbitals (dxy, dyz, dxz) are higher in energy while the…

Q: Which type of substance is attracted by a magnetic field, a diamagnetic substance or a paramagnetic…

A: Paramagnetic compounds are compounds with unpaired electrons in their outermost shell.  Diamagnetic…

Q: 2. At 510 nm, the iron orthophenanthroline complex has a molar absorptivity of 1.2 x 104. What is…

A: We have to predict the concentration of iron solution.

Q: What is the charge of the complex formed by a platinum(II) metal ion surrounded by two ammonia…

A: Given information: Complex is formed by a platinum(II) metal with two bromide ions and two ammonia…

Q: Why do transition metals often react chemically as if they have a valence of 2?

A: the explanation is as follows:

Q: Which of the following transition metals would be expected to have the smallest atomic radius? A)…

A: We know that, As we move from left to right in 4d series, then size decreases to 4d5 tgen after…

Q: A metal complex solution that absorbs orange (650 nm) and yellow (570 nm) light will appear as a…

A: The three traditional sets of complementary colors, as derived from the Red-Yellow-Blue color model,…

Q: Correlate the atom, ion, or molecule to its role in the coordination compound [Ti(OH2)a]Brg

A: Given, [Ti(OH2)6]Br3

Q: 16. A complex only absorbs light with energy off 2.76 x 10^-19 J. What color do we see

A: Energy of the absorbed light = 2.76 × 10-19Joule  Value of Planck's constant , h = 6.625 × 10-34…

Q: A given solution absorbs green light very strongly. What color does the solution appear? violet…

A: A given solution absorbs green light very strongly.

Q: Consider the fictional transition metal 'Gc' and the complex ions formed with it: [GcI]»,…

A: Strong field ligands (SFL) cause a greater splitting of the d orbitals of the metal compared to weak…

Q: Draw the structure of the following complexes. i. Cis-di(acetylacetonato)dicarbonyliron(II) ii.…

A:

Q: The complex ion Fe(CN)6 3− is paramagnetic with one unpaired electron. The complex ion Fe(SCN)6 3−…

A: According crystal field theory, when transition metals are bonded to any ligand, their d orbitals…

Q: Consider the two complex ions.  Complex (I) is ___ spin, while Complex (II) is  ____spin

A: If it is a strong field ligand then complex would be low spin whereas a weak field ligand results in…

Q: The spectrochemical series is                I– < Br– < Cl– < F– < OH– < H2O < NH3 < en < NO2– <…

A: The single electron present in an orbital is known as an unpaired electron. The presence of unpaired…

Q: Using IUPAC norms write the formulae for the following coordination compounds: (i)…

A: Coordination compounds are those compounds which are made by the transfer of electrons from ligands…

Q: How many unpaired electrons are there in the high-spin state of Co2+ in an tetrahedral field?

A: Electronic configuration of Co is [Ar] 3d7 4s2 Thus, electronic configuration of Co2+ is [Ar] 3d7

Q: How many unpaired electrons are in the following complex ions? a. Ru(NH3)62+ (low-spin case) b.…

A: According crystal field theory, when transition metals are bonded to any ligand, their d orbitals…

Q: 6. Fill in table. Metal High Spin or Low Spin # of unpaired # d Complex elect. electrons Rh(NH;),+…

A: To solve this problem one should know high spin and low spin complexes he must be aware of 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.