Answered: Which of these compounds is expected to…

Science

Chemistry

Which of these compounds is expected to be colorless? (A) K4[Fe(CN)6] (B) K4[Co(CN)6] (C) K2[Ni(CN)4] (D) K2[Zn(CN)4]

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds

Section: Chapter Questions

Problem 115QRT

See similar textbooks

Related questions

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

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

Q: The coordination compound [Pt(NH₃)₂(SCN)₂] displays two types of isomerism. Name the types and give…

A: This compound exhibits geometric (cis-trans) and linkage isomerism. The SCN-ligand can bond to the…

Q: Palladium(II) tends to form complexes with coordination number 4. A compound has the composition…

A: The expected complex has a central metal with a coordination number 4. It is given in the question…

Q: What type of isomerism is shown by the following complex: [Co(NH3)6][Cr(CN)6]

A: The type of isomerism shown by the complex [Co(NH3)6[Cr(CN)6 is "Coordination isomerism".

Q: Which of the following pairings is incorrect in describing the spin states of d electrons in…

A: ANSWER IS

Q: Which of the reagents would oxidize Cr to Cr +, but not Fe to Fe3+? Со Са Br Br, Ca²+ Co2+

Q: Carbon monoxide, CO, is an important ligand in coordinationchemistry. When CO is reacted with nickel…

A: Nickel tetracarbonyl is a tetrahedral compound since there are 4 ligands attached to the compound by…

Q: Determine the charge of the metal center in diaquadibromoplatinum, [Pt(H2O)2Br2] a. Draw the…

A: The given complex is diaquadibromoplatinum, [Pt(H2O)2Br2]. In this complex, the central metal ion…

Q: All of the following complexes will be colored EXCEPT O a. [Ni(H₂0)6] 2+ O b. [Fe(CN)6] 4- c.…

A: In coordination chemistry, central metal ion is bonded to ligand. Ligand donate electron density to…

Q: Determine the charge of the metal center in tetraamminedichloroiron, [Fe(NH3)4Cl2] a. draw the…

Q: The complexes [V(H2O)6]3+ and [VF6]3- are both known. What gives rise to the colors of these…

A: The striking colors exhibited by the complexes are caused due to excitation of an electron from…

Q: What are the charge and coordination number of the central metal ion(s) in each compound of Give…

A: Coordination complexes are assigned the names according to the set of rules assigned in the…

Q: For each of the following pairs of complexes, identify the one that has the larger Crystal field…

Q: For the low spin coordination compound [Fe(en)2Cl]Cl, identify the Oxidation number of iron

A: Note : I think the complex should [Fe(en)2Cl2]Cl. So I'm giving answer for both the complex.

Q: What is a transition metal in the fourth period from the following list: N, Cu, Ag, Yb?

A: Transition metals are the elements that are placed in the d-block of the modern periodic table.…

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

Q: Name this coordination compound: K2[Cr(CN)5CO]

A: A compound containing transition elements displays different colors. The 'unpaired electrons of…

Q: Determine the oxidation state of each X (2nd row transition metal) and draw the structure of the…

A: GIVEN:- Determine the oxidation state of each X (2nd row transition metal) and draw the structure…

Q: For the low-spin coordination compound [Fe(en)2Cl2]Cl, identify the following.(a) the oxidation…

A: Since you have posted questions with multiple sub-parts, we are entitled to answer the first 3 only.…

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: 3+ (d) [Cr(OH)2]6* ions are pale blue-green but chromate (Cr,O,) ion is an intense yellow in colour.…

Q: Which of the following is not an example of a d° transition metal complex? Select one: a. VO2+ b.…

Q: Determine the charge of the metal center in diaquadibromoplatinum, [Pt(H2O)2Br2]. a.Draw the…

A: Geometrical isomers are the type of stereoisomers in which the species have same molecular formula…

Q: Draw the crystal field diagrams for [Fe(NO2)6]4− and [FeF6]3−. State whether each complex is high…

A: In coordination complexes, metal is present at the center of the complex and ligands surround it.…

Q: Explain why [FeF6]³- is colorless whereas [COF6]³- is colored but exhibits only a single band in the…

A: The ligands which produces greater splitting in d orbitals are known as strong field ligands. The…

Q: Which of the following complexes has the highest oxidation state of metal? a. Cr(n6-C6H6)2 b.…

A: a) (η6-C6H6)2Cr Let the oxidation state of Cr= x The oxidation state of η6-C6H6 =0 Overall charge on…

Q: A coordination compound of ruthenium, [Ru(NH3)4Cl2]Cl, has shown some activity against leukemia in…

A: Generally in a coordination complex, a central metal atom (usually transition metal) is bonded to…

Q: 3.6. Draw all possible isomers, geometrical and optical of the coordination compound…

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

A: The oxidation number of chromium in Cr(CO)6 has to be given.

Q: (c) Explain crystal field splitting in the case of tetrahedral complexes.

A: Crystal field splitting in tetrahedral complexes:

Q: Vanadium may have been used by some ancient animals ____________.

A: A number of species of marine algae produce vanadium bromoperoxidase as well as the closely related…

Q: 1. Briefly explain the meaning of the following terms: ligand, complex, monodentate ligand,…

Q: Palladium(II) tends to form complexes with coordination number 4. A compound has the composition…

A: The chemical compounds consisting of neutral molecules or anions attached to the central metal atom…

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: [CoF6]3- absorbs 700 nm (red) radiation whereas [Co(H2O)6]3+ absorbs 600 nm (orange) radiation.…

A: The crystal field energy diagram f the given complexes is drawn as follows:

Q: Using crystal field theory, prove [NiCl4]2¯ is a tetrahedral paramagnetic complex.

A: Crystal field theory ia an electrostatic model which considers the metal-ligand bond to be ionic…

Q: What is the coordination number on the transition metal in the following compound? [Mn(H2O)6](NO3),

A: We have an coordination compound , we have to predict the coordination number of the metal in the…

Q: Mention the types of structural isomerism present in metal complexes and indicate to which of them…

A: Coordination isomerism is a form structural isomerism in which the composition of coordination…

Q: 4. Using crystal field theory, prove [NiCla]²- is a tetrahedral paramagnetic complex.

A: The given complex is NiCl42-, has nickel metal as the central metal atom and the ligands are four…

Q: You have a solution of the following ion: [Fe(H2O)6]3+ a) Is the ion more likely paramagnetic or…

A: In the crystal field theory, the paring of electrons in the splitted state does not take place for…

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

A: (a)

Q: In [Cr(NH₃)₆]Cl₃, the [Cr(NH₃)₆]³⁺ ion absorbs visiblelight in the blue-violet range, and the…

A: In [Cr(NH₃)₆]Cl₃, the [Cr(NH₃)₆]³⁺ ion absorbs visible light in the blue-violet range, and the…

Q: For the low-spin coordination compound [Fe(en)2Cl2]Cl, identify the following.(a) the oxidation…

A: Given low-spin coordination compound [Fe(en)2Cl2]Cl:

Q: Give the IUPAC name for this coordination compound. [Cr(H, O),CIJSO4

A: Write IUPAC name of the given coordination compound-

Q: (b) Which copper complex ion is colourless? O A [CuCl] I B [CuClj²- O C [Cu(H,O),J** 2+ O D…

A: Cu+ ion has a d10 configuration and all eg orbitals are filled. There is no transition between the…

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

Q: Why Co+2 coordinate complexes are more stable than Fe+2 complexes?

A: A coordination complex is made up of a central atom or ion, which is typically metallic and is…

Concept explainers

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.

Question

100%

Which of these compounds is expected to be colorless?

(A) K₄[Fe(CN)₆]

(B) K₄[Co(CN)₆]

(D) K₂[Zn(CN)₄]

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Four different octahedral chromium coordination compounds exist that all have the same oxidation state for chromium and have H2O and Cl as the ligands and counterions. When 1 mole of each of the four compounds is dissolved in water, how many moles of silver chloride will precipitate upon addition of excess AgNO3?
Iron(II) forms a complex in hemoglobin. Two of the possibilities are [Fe(H2O)6]2+ and [Fe(CN)6]4– (a) [Fe(H2O)6]2+ and [Fe(CN)6]4– should have the same geometry. What is this coordination environment? Draw it please. (b) For both [Fe(H2O)6]2+ and [Fe(CN)6]4–, draw an energy diagram showing orbital splitting (c) Predict the number of unpaired electrons(d) Identify the ion as low spin or high spin.(e) Is either ion paramagnetic?(f) What would the color of each form of these forms ofhemoglobin?
For any of the following that can exist as isomers, state the type of isomerism and draw the structures:(a) [Co(NH3)5Cl]Br2 (b) [Pt(CH3NH2)3Cl]Br(c) [Fe(H2O)4(NH3)2]2+
Give systematic names for the following formulas:(a) K[Ag(CN)2] (b) Na2[CdCl4] (c) [Co(NH3)4(H2O)Br]Br2
Give the proper name for each of the following compounds: (d) [Co(H2O)4]SO4 (e) [Co(NH3)4(OH2)2](BF4)5 (f) [Fe(H2O)6]Br2 (g) Na3[Fe(CN)6] · 2 H2O (h) Na4[Fe(CN)6] (i) Ni(CO)4 (j) [Cu(NH3)4]SO4 (k) [Pt(en)2](ClO4)2 (l) Co(NH3)2(Cl)(Br)(CH3CO2)
Predict the number of unpaired electrons.(a) K3[CrI6](b) [Cu(en)2(H2O)2]Cl2(c) Na3[Co(NO2)6]
Assign a systematic name to each of the following chemical compounds:(a) NH4[Cr(NH3)2(NCS)4](b) [Tc(CO)5]I(c) K[Mn(CN)5](d) [Co(NH3)4(OH2)Cl]Br2
For any of the following that can exist as isomers, state thetype of isomerism and draw the structures: (a) [Co(NH3)5Cl]Br2 (b) [Pt(CH3NH2)3Cl]Br (c) [Fe(H2O)4(NH3)2]2+
Transition metals, located in the center of the periodic table,have many essential uses as elements and form many importantcompounds as well. Calculate the molecular mass of thefollow-ing transition metal compounds:(a) [Co(NH₃)₆]Cl₃ (b) [Pt(NH₃)₄BrCl]Cl₂ (c) K₄[V(CN)₆] (d) [Ce(NH₃)₆][FeCl₄]₃
Name each of the compounds or ions given, including the oxidation state of the metal. (a) [Co(CO3)3]3− (note that CO32− is bidentate in this complex)(b) [Cu(NH3)4]2+(c) [Co(NH3)4Br2]2(SO4)3(d) [Pt(NH3)4][PtCl4](e) [Cr(en)3](NO3)3(f) [Pd(NH3)2Br2] (square planar)(g) K3[Cu(Cl)5](h) [Zn(NH3)2Cl2]
Assign a systematic name to each of the following chemical compounds. Compound Name (a) Na[Mn(CN)5l fill in the blank 1 (b) [Cu(bipy)2l]NO3 fill in the blank 2 (c) [Fe(CO)5] fill in the blank 3 (d) [Cr(NH3)3(CN)3] fill in the blank 4
Explain why at equal concentrations [Fe(CN)6]³ is deep red while [Fe(CN)6] is pale yellow.