Question

Quantum numbers

3. At the right is a complex of cobalt (111). NH2 ΝΗ Ι How many different ligands are attached to it? How many of these ligands are bidentate?_5 4. Fel has an electron configuration of [Ar]3d. How many unpaired electrons does Felt have?5 The minimum set of quantum numbers that describes all five of these d-electrons is (circle the correct answer) n = 4,7-3, m = -2 n = 3, 7 = 2 n = 3, 7= 2, m= -1 n = 3, 7= 3 none of the above is a good answer

Answer 1

NH2 7-9 1) There are că 3 types of ligands are attached. CH₂-CH-NH-CH₂ CH2NH₂ , 2) Bidentate means there are a donor alomo& which Can form Coordinate Covalent bonds with metalatom thish tus sites. a: Mono dentate ligand. O Bidentate ligand. NIG WH2 y Tridentate ligand. NH₂ D 2,21- Bipyridine bi a bidentate ligand. Electronic Configuration of fe: (Ar) 3d & 4 ga Electonic " adfest : (As) 3d5 5 unpaired és are there in fest id n=3, l = 2 bet describes all 5 of these d-elections,

n= 3, l = 2 set can describe all 5 of these d- orbitals (d_{​​​​​​xy} , d_{​​​​​​yz}​​​​dyz, d_​zx , d_​x2-y2 and d_{​​​​​​z2} )

n= 3, l = 3 set doesn't exist.

n= 4, l=3 and m = -2 corresponds to 4f orbital.

n= 3, l= 2 and m = -1 corresponds to one of 5 orbitals d_{​​​​​​xy} , d_{​​​​​​yz}​​​​dyz, d_​zx , d_​x2-y2 and d_{​​​​​​z2}