#13 Lewinds are neutralmolecules or ions that coordinately ewis acid-base intera
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Question
#13
Lewinds are neutralmolecules or ions that coordinately ewis acid-base interaction Lewis Acid Electron Pair acceptor Lewis Base Electron Pair donor pair of electrons that it can donate to the pair o The metal ion center is the Lewis acid, and the ligand is the Lewis base The ligand must be electron rich, and have a nonbonding metal. Man ions you are familiar with. y ligands are monatomic or polyatomic ions that are common Resulting moletular orbital of a bend between metal Empty hybrid Filled n ammonia It is important that you know the charges on the common ligands so that you oxidation number on the central metal atom. can d etermine 1 13. Determine the oxidation number on the transition metal in each coordination comp ound or complex io b) Ni(NH3)4Cl2 c) Fe(CN), 3- d) Mn(NHs)C 2 e) Cu(H2O)4 2. ) ICU(H2O4)504Explanation / Answer
13)
a) K3[Fe(CN)6]
3 * (+1) + x + 6*(-1) = 0 => 3 + x -6 = 0 =. x = +3
The oxidation number of Fe is +3.
b) Ni(NH3)4Cl2
x + 0 + 2*(-1) =0 => x = +2
The oxidation number of Ni is +2.
c) [Fe(CN)6]3-
x + 6*(-1) = -3 =. x -6 = -3 => x = -3+6 = +3
The oxidation number of Fe is +3.
d) [Mn(NH3)4Cl2]2+
x + 0 + 2*(-1) = +2 => x-2 = 2 => x = +4
The oxidation number of Mn is +4.
e) [Cu(H2O)4]2+
x + 0 = +2 => x = +2
The oxidation number of Cu is +2.
f) [Cu(H2O)4]SO4
x + 0 + 1*(-2) = 0 => x -2 = 0 => x = +2
The oxidation number of Cu is +2.
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