CHM 142 Exam 5 Questions and Answers Latest Update () Already Passed

CHM 142 Exam 5 Questions and Answers Latest Update () Already Passed Coordination Compounds - Answers contain coordinate covalent bonds formed by the rxns of metal ions with groups of anions or polar molecules often consist of a complex ion & 1+ counter ions Coordinate Covalent Bond - Answers a covalent bond in which one of the atoms donates both of the electrons that constitute the bond Properties of Transition Metals - Answers distinctive colors formation of paramagnetic compounds catalytic activity tendency to form complex ions higher densities, melting & boiling points, fusion & vaporization heats VARIABLE OXIDATION STATES Ligands - Answers the molecules or ions that surround the metal in a complex ion must have at least one lone pair of valence electrons Primary Valence - Answers molecules/ions bonded to metal OUTSIDE brackets K2[PtCl6] ^K2 - primary valence # 2 Secondary Valence - Answers molecules/ions bonded to metal INSIDE brackets K2[PtCl6] .............^Cl6 - secondary valence # 6 First Coordination Sphere - Answers species with a secondary valence Second Coordination Sphere - Answers species with a primary valence Donor Atom - Answers the atom in a ligand that is bound directly to the metal atom [Cu(NH3)4]2+ donor atom - nitrogen Coordination Number - Answers refers to the number of donor atoms surrounding the central metal atom in a complex ion the number of ligands interacting w/ the metal Donor Atoms - Answers # of these determines classification of ligand 1: monodentate