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Concept explainers
Interpretation:
The diamagnetic complexes from given set of complexes should be identified.
Concept Introduction:
Coordination compounds: The compounds having coordination covalent bonds which form when metal ions react with polar molecules or anions.
Paramagnetic Complexes: Complexes with unpaired electrons are said to be paramagnetic.
Diamagnetic complexes: Complexes with zero unpaired electrons are said to be diamagnetic.
Ligands: The ions or molecules that forms coordination covalent bond with metal ions in a coordination compound. Ligands should have minimum one lone pair of electron, where it donates two electrons to the metal. Metal atom accepts the electron pair from a ligand forming a coordination bond.
The charge of the neutral ligand will be zero.
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Chapter 20 Solutions
General Chemistry: Atoms First
- 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?arrow_forwardPlatinum(II) forms many complexes, among them those with the following ligands. Give the formula and charge of each complex. (a) two ammonia molecules and one oxalate ion (C2O42-) (b) two ammonia molecules, one thiocyanate ion (SCN-), and one bromide ion (c) one ethylenediamine molecule and two nitrite ionsarrow_forwardConsider the complex ion [CoCO3(NH3)4], where the CO32 is a bidentate ligand. a Is this complex ion octahedral or square planar? b What is the oxidation state of the cobalt?arrow_forward
- (a) Name this coordination compound: [Ag(NH3)2]NO3. (b) Write the formula of pentaaquaisothiocyanatoiron(III) chloride.arrow_forwardAn aqueous solution of [Rh(C2O4)3]3− is yellow. Predict the approximate wavelength and predominant color of light absorbed by the complex.arrow_forwardIs it possible to have a paramagnetic d4-tetrahedral complex ion? Explain.arrow_forward
- In which of the following complexes does the transition metal have a d8 configuration? (A) [PtCl6]2– (B) [Ni(NH3)6]2+ (C) [Cu(H2O)6]2+ (D) [Zn(OH)4] 2–arrow_forwardFor 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+arrow_forwardWhich 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]arrow_forward
- 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]arrow_forwardFor 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+arrow_forwardPredict the number of unpaired electrons.(a) K3[CrI6](b) [Cu(en)2(H2O)2]Cl2(c) Na3[Co(NO2)6]arrow_forward
- General Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
- Chemistry: Principles and ReactionsChemistryISBN:9781305079373Author:William L. Masterton, Cecile N. HurleyPublisher:Cengage LearningChemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
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