TAILIEUCHUNG - Chemistry part 35, Julia Burdge,2e (2009)

Tham khảo sách 'chemistry part 35, julia burdge,2e (2009)', khoa học tự nhiên, hoá học phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 864 CHAPTER 22 Coordination Chemistry Think About It Although ligands are alphabetized in a compound s name they do not necessarily appear in alphabetical order in the compound s formula. Strategy If you can t remember them yet refer to Tables and for the names of ligands and anions containing metal atoms. V F1 Setup a There are six ligands five NH3 molecules and one Cl- ion. The oxidation state of cobalt is 3 making the overall charge on the complex ion 2. Therefore there are two chloride ions as counter ions. b There are four ligands two bidentate ethylenediamines and two Cl- ions. The oxidation state of platinum is 4 making the overall charge on the complex ion 2. Therefore there are two nitrate ions as counter ions. Solution a Co NH3 5C1 C12 b Pt en 2Cl2 NO3 2 Practice Problem Write the formulas for a trzT ethyIenediamine cobalt lIl sulfate and b sodium Checkpoint Coordination Compounds Select the correct name for the compound Cu NH3 4 C12. a Coppertetraammine dichloride b Tetraamminecopper II chloride c Tetraaminedichlorocuprate II d Dichlorotetraaminecopper II e etraaminedichlorocopper II Select the correct name for the compound K3 FeF6 . a Tripotassiumironhexafluoride b Hexafluorotripotassiumferrate III c Hexafluoroiron III potassium d Potassium hexafluoroferrate III e Potassium ironhexafluorate Select the correct formula for pentaaminenitrocobalt III . a Co NH3 5NO3 3 b Co NH3 5NO3 2 c Co NH3 5NO3 d Co NH3 5 NO3 e Co NH3 5 NO3 2 Select the correct formula for tetraaquodichlorochromi um III chloride. a Cr H2O 4Cl2 Cl3 b Cr H2O 4Cl2 Cl2 c Cr H2O 4Cl2 Cl d Cr H2O 4 Cl3 e Cr H2O 4 Cl2 Structure of Coordination Compounds The geometry of a coordination compound often plays a significant role in determining its properties. Figure shows four different geometric arrangements for metal atoms with monodentate ligands. In these diagrams we see that structure and the coordination number of the metal relate to each other as

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