) trans-[Co(en)2Cl2]Cl is a chiral compound ) The coordination number for the anionic complex in K3[Cr(C2O4)3]•3H2O is 3 ) During the synthesis of K3[Cr(C2O4)3]•3H2O, the reducing agent is oxalic acid.

From the Lewis structure of NO2-, both N and O having unshared pairs of electrons can bond to metal ions in more than one way. Ligand NO2- having this ability are known as ambidentate ligands. Name and predict the molecular structure, also describing all the isomers possible for complex compound [Cr(en)2NO2Cl]+

Which of the following pairs are not structural isomers? a) [Co(NO2)(NH3)5]2+     [Co(ONO)(NH3)5]2+ b) [Cr(SO4)(NH3)5]Cl     [Cr(Cl)(NH3)5]SO4 c) [Co(en)(H2O)2]3+         [Co(en)2(H2O)4]3+              d) [Co(NH3)6][CrCl6]     [Co(Cl)6][Cr(NH3)6] e) [Co(NH3)4Cl2]Br        [Co(NH3)4BrCl]Cl

Determine the oxidation state of the transition metal in each of these coordination compounds. compound K₂ [ZnCI, (CO),] Na, [CrBr, (H₂0)] [PICI, (NH₂), ]Br oxidation state of the transition metal 0 □

Circle all of the following species that exhibit geometric isomers. (a) [Rh(en)2 I2]I (b) [Pd(CO)2(CN)2](CN)2 (c) [Ni(C2O4)3]Cl4 Circle all of the following species that exhibit optical isomerism. (a) [Rh(en)2 I2]I (b) [Pd(CO)2(CN)2](CN)2 (c) [Ni(C2O4)3]Cl4

Which of the following complexes can have fac and mer isomers? [Co(NH3)6]3+ [Co(NH3)4Cl2]+ [Co(NH3)3Cl3] [Co(NH3)2Cl4]-