Transition Metal Complexes Tutorial Questions - AWS
Transition Metal Complexes Tutorial Questions 1. Which of the following pairs of complexes are ionization isomers? a. [Cr(CO)6][MoF6] vs. [Mo(CO)6][CrF6] b. [MnCl3]Br3 vs. [MnBr3]Cl3 c. [Ru(C2O4)2]2- vs. [Ru(C2O4)2] 2. Which of the following species is a d5 metal centre? a. Cr2+ b. Fe2+ c. V2d. Mn3+ 3. Which of the following complexes can exist as multiple different geometric isomers? (Choose all that apply) What types of geometric isomers are possible in each case? a. [Ni(CO)2Cl2] (tetrahedral) b. [W(NH3)2F4]2+ c. [Pd(OH2)2Cl2] (square planar) d. [V(CO)5NH3] e. [Ru(PH3)3(NH3)3]2+ 4. Which complex in each pair exhibits the greatest field splitting? a. [WF6] vs. [WI6] b. [Co(NH3)6]3+ vs. [Co(NH3)6]2+
c. [Rh(CO)6]3+ vs. [Ir(CO)6]3+ d. [Mo(OH2)6] vs. [W(CO)6] 5. A certain metal complex exhibits a strong blue colour. When the ligands on this complex are replaced with ammine ligands, the complex becomes red. Which is the most likely identity of the original ligand? a. Fb. CN6. Choose the diamagnetic compound: a. [Fe(OH)6]3b. [Nb(NH3)6]2+ c. [Os(CN)6]3d. [Fe(H2O)6] 7. True or false: The trans isomer of an octahedral complex of the form ML4X2 cannot be converted into a fac isomer of the form ML3X3 by a single substitution. 8. If [M(CO)6]n+ is diamagnetic but [M(H2O)6]n+ is paramagnetic, which is a plausible choice for the identity of M and n? a. Cr, 0+ b. Ni, 4+ c. Co, 2+ d. Mn, 2+
c. [Rh(CO)6]3+ vs. [Ir(CO)6]3+ d. [Mo(OH2)6] vs. [W(CO)6] 5. A certain metal complex exhibits a strong blue colour. When the ligands on this complex are replaced with ammine ligands, the complex becomes red. Which is the most likely identity of the original ligand? a. Fb. CN6. Choose the diamagnetic compound: a. [Fe(OH)6]3b. [Nb(NH3)6]2+ c. [Os(CN)6]3d. [Fe(H2O)6] 7. True or false: The trans isomer of an octahedral complex of the form ML4X2 cannot be converted into a fac isomer of the form ML3X3 by a single substitution. 8. If [M(CO)6]n+ is diamagnetic but [M(H2O)6]n+ is paramagnetic, which is a plausible choice for the identity of M and n? a. Cr, 0+ b. Ni, 4+ c. Co, 2+ d. Mn, 2+
