2.8: Solutions to Electron Counting Problems
- Page ID
- 91748
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\(\newcommand{\avec}{\mathbf a}\) \(\newcommand{\bvec}{\mathbf b}\) \(\newcommand{\cvec}{\mathbf c}\) \(\newcommand{\dvec}{\mathbf d}\) \(\newcommand{\dtil}{\widetilde{\mathbf d}}\) \(\newcommand{\evec}{\mathbf e}\) \(\newcommand{\fvec}{\mathbf f}\) \(\newcommand{\nvec}{\mathbf n}\) \(\newcommand{\pvec}{\mathbf p}\) \(\newcommand{\qvec}{\mathbf q}\) \(\newcommand{\svec}{\mathbf s}\) \(\newcommand{\tvec}{\mathbf t}\) \(\newcommand{\uvec}{\mathbf u}\) \(\newcommand{\vvec}{\mathbf v}\) \(\newcommand{\wvec}{\mathbf w}\) \(\newcommand{\xvec}{\mathbf x}\) \(\newcommand{\yvec}{\mathbf y}\) \(\newcommand{\zvec}{\mathbf z}\) \(\newcommand{\rvec}{\mathbf r}\) \(\newcommand{\mvec}{\mathbf m}\) \(\newcommand{\zerovec}{\mathbf 0}\) \(\newcommand{\onevec}{\mathbf 1}\) \(\newcommand{\real}{\mathbb R}\) \(\newcommand{\twovec}[2]{\left[\begin{array}{r}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\ctwovec}[2]{\left[\begin{array}{c}#1 \\ #2 \end{array}\right]}\) \(\newcommand{\threevec}[3]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\cthreevec}[3]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \end{array}\right]}\) \(\newcommand{\fourvec}[4]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\cfourvec}[4]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \end{array}\right]}\) \(\newcommand{\fivevec}[5]{\left[\begin{array}{r}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\cfivevec}[5]{\left[\begin{array}{c}#1 \\ #2 \\ #3 \\ #4 \\ #5 \\ \end{array}\right]}\) \(\newcommand{\mattwo}[4]{\left[\begin{array}{rr}#1 \amp #2 \\ #3 \amp #4 \\ \end{array}\right]}\) \(\newcommand{\laspan}[1]{\text{Span}\{#1\}}\) \(\newcommand{\bcal}{\cal B}\) \(\newcommand{\ccal}{\cal C}\) \(\newcommand{\scal}{\cal S}\) \(\newcommand{\wcal}{\cal W}\) \(\newcommand{\ecal}{\cal E}\) \(\newcommand{\coords}[2]{\left\{#1\right\}_{#2}}\) \(\newcommand{\gray}[1]{\color{gray}{#1}}\) \(\newcommand{\lgray}[1]{\color{lightgray}{#1}}\) \(\newcommand{\rank}{\operatorname{rank}}\) \(\newcommand{\row}{\text{Row}}\) \(\newcommand{\col}{\text{Col}}\) \(\renewcommand{\row}{\text{Row}}\) \(\newcommand{\nul}{\text{Nul}}\) \(\newcommand{\var}{\text{Var}}\) \(\newcommand{\corr}{\text{corr}}\) \(\newcommand{\len}[1]{\left|#1\right|}\) \(\newcommand{\bbar}{\overline{\bvec}}\) \(\newcommand{\bhat}{\widehat{\bvec}}\) \(\newcommand{\bperp}{\bvec^\perp}\) \(\newcommand{\xhat}{\widehat{\xvec}}\) \(\newcommand{\vhat}{\widehat{\vvec}}\) \(\newcommand{\uhat}{\widehat{\uvec}}\) \(\newcommand{\what}{\widehat{\wvec}}\) \(\newcommand{\Sighat}{\widehat{\Sigma}}\) \(\newcommand{\lt}{<}\) \(\newcommand{\gt}{>}\) \(\newcommand{\amp}{&}\) \(\definecolor{fillinmathshade}{gray}{0.9}\)Solutions to Selected Problems
Problem 4.
a) Metal valence count: 9
Metal with charge: 6
Donated by ligands: 6 x 2 = 12
Total: 18
b) Metal valence count: 8
Metal with charge: 5
Donated by ligands: 6 x 2 = 12
Total: 17
c) Metal valence count: 9
Metal with charge: 7
Donated by ligands: 6 x 2 = 12
Total: 19
d) Metal valence count: 7
Metal with charge: 0
Donated by ligands: 4 x 4 = 16
Total: 16
e) Metal valence count: 8
Metal with charge: 8
Donated by ligands: 5 x 2 = 10
Total: 18
f) Metal valence count: 10
Metal with charge: 6
Donated by ligands: 6 x 2 = 12
Total: 18
g) Metal valence count: 6
Metal with charge: 6
Donated by ligands: 6 x 2 = 12
Total: 18
h) Metal valence count: 6
Metal with charge: 0
Donated by ligands: 4 x 4 = 16
Total: 16
i) Metal valence count: 9
Metal with charge: 8
Donated by ligands: 4 x 2 = 8
Total: 16
j) Metal valence count: 8
Metal with charge: 4
Donated by ligands: 3 x 4 = 12
Total: 16
k) Metal valence count: 9
Metal with charge: 7
Donated by ligands: 4 x 2 = 8
Total: 15
Problem 5.
a) 6 b) 8 c) 5 d) 5 e) 10 f) 1 g) 10 h) 12 i) 2 j) 9 k) 4
a) Metal valence count: 5
Metal with charge: 0
Donated by ligands: 5 x 2 = 10
Total: 10
b) Metal valence count: 8
Metal with charge: 5
Donated by ligands: 3 x 2 = 6
Total: 11
c) Metal valence count: 6
Metal with charge: 0
Donated by ligands: 6 x 2 = 12
Total: 12
Problem 8.
a) PF3 (104 vs 870)
b) PMe3 (118 vs 870)
c) PtBu3 (182 vs 1180)
d) PtBu3 (182 vs 1450)