pisiod noh 23.40 Consider the following three complexes: (Complex 1) [Co(NH3)5SCN]²+ (Complex 2) [Co(NH3);Cl3]2+ (Complex 3) COCIBR 5NH3 Which of the three complexes can have (a) geometric iso- mers, (b) linkage isomers, (c) optical isomers, (d) coordina- tion-sphere isomers? 41 A four-coordinate complex MA,B2 is prepared and found to have two different isomers. Is it possible to determine from this information whether the complex is square planar or tetrahedral? If so, which is it? 12 Consider an octahedral complex MA3B3. How many geo- metric isomers are expected for this compound? Will any of the isomers be optically active? If so, which ones? 3 Determine if each of the following complexes exhibits geo- metric isomerism. If geometric isomers exist, determine hoW many there are. (a) tetrahedral [Cd(H2O),Cl2], (b) square-pla- nar (IrCl,(PH3)2] , (c) octahedral [Fe(o-phen),Cl2]*. Determine if each of the following complexes exhibits geometric isomerism. If geometric isomers exist, deter- mine how many there are. (a) [Rh(bipy) (o-phen)2]** (b) [Co(NH3)3(bipy)Br]*, (c) square-planar [Pd(en) Determine if each of the following hiral and therefore has an 3+ Zn(H,O),CL,, (h edral

pisiod noh 23.40 Consider the following three complexes: (Complex 1) [Co(NH3)5SCN]²+ (Complex 2) [Co(NH3);Cl3]2+ (Complex 3) COCIBR 5NH3 Which of the three complexes can have (a) geometric iso- mers, (b) linkage isomers, (c) optical isomers, (d) coordina- tion-sphere isomers? 41 A four-coordinate complex MA,B2 is prepared and found to have two different isomers. Is it possible to determine from this information whether the complex is square planar or tetrahedral? If so, which is it? 12 Consider an octahedral complex MA3B3. How many geo- metric isomers are expected for this compound? Will any of the isomers be optically active? If so, which ones? 3 Determine if each of the following complexes exhibits geo- metric isomerism. If geometric isomers exist, determine hoW many there are. (a) tetrahedral [Cd(H2O),Cl2], (b) square-pla- nar (IrCl,(PH3)2] , (c) octahedral [Fe(o-phen),Cl2]*. Determine if each of the following complexes exhibits geometric isomerism. If geometric isomers exist, deter- mine how many there are. (a) [Rh(bipy) (o-phen)2]** (b) [Co(NH3)3(bipy)Br]*, (c) square-planar [Pd(en) Determine if each of the following hiral and therefore has an 3+ Zn(H,O),CL,, (h edral

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter21: Transition Metals And Coordination Chemistry

Section: Chapter Questions

Problem 108IP: a. In the absorption spectrum of the complex ion Cr(NCS)63, there is a band corresponding to the...

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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?
Two different compounds are known with the formula Pd(py)2Cl2, but there is only one compound with the formula Zn(py)2Cl2. The symbol py is for pyridine, a mono-dentate ligand. Explain the differences in the Pd and Zncompounds.
For each d electron configuration, state the number of unpaired electrons expected in octahedral complexes. Give an example complex for each case. (Two answers are possible for some of these cases.) (a) d2 (b) d4 (c) d6 (d) d8
What is the coordination number of the central metal atom in the following complexes? (a) [Fe(H2O)63+] (b) [Pt(NH3)Br3] (c) [V(en)Cl42] (d) [Au(CN)2+]
a. In the absorption spectrum of the complex ion Cr(NCS)63, there is a band corresponding to the absorption of a photon of light with an energy of 1.75 104 cm-1. Given 1 cm1 = 1.986 1023 J, what is the wavelength of this photon? b. The CrNC bond angle in Cr(NCS)63 is predicted to be 180. What is the hybridization of the N atom in the Ncs- ligand when a Lewis acid-base reaction occurs between Cr3+ and NCs- that would give a 180 CrNC bond angle? Cr(NCS)63 undergoes substitution by ethylenediamine (en) according to the equation Cr(NCS)63+2enCr(NCS)2(en)2++4NCS Does Cr(NCS)2(en)2+ exhibit geometric isomerism? Does Cr(NCS)2(en)2+ exhibit optical isomerism?