Formation Constants for Complex Ions
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| Formation Constants for Complex Ions | |
|---|---|
| Equilibrium | Kf |
| \({\text{Al}}^{\text{3+}}+6{\text{F}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[{\text{AlF}}_{6}\right]}^{\text{3−}}\) | 7 \(×\) 1019 |
| \({\text{Cd}}^{\text{2+}}+4{\text{NH}}_{\text{3}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Cd}{\left({\text{NH}}_{3}\right)}_{4}\right]}^{\text{2}\text{+}}\) | 1.3 \(×\) 107 |
| \({\text{Cd}}^{\text{2+}}+4{\text{CN}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Cd}{\left(\text{CN}\right)}_{4}\right]}^{2-}\) | 3 \(×\) 1018 |
| \({\text{Co}}^{\text{2+}}+6{\text{NH}}_{\text{3}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Co}{\left({\text{NH}}_{3}\right)}_{6}\right]}^{2+}\) | 1.3 \(×\) 105 |
| \({\text{Co}}^{\text{3+}}+6{\text{NH}}_{\text{3}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Co}{\left({\text{NH}}_{3}\right)}_{6}\right]}^{3+}\) | 2.3 \(×\) 1033 |
| \({\text{Cu}}^{+}+2\text{CN}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Cu}{\left(\text{CN}\right)}_{2}\right]}^{-}\) | 1.0 \(×\) 1016 |
| \({\text{Cu}}^{\text{2+}}+4{\text{NH}}_{\text{3}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Cu}{\left({\text{NH}}_{3}\right)}_{4}\right]}^{2+}\) | 1.7 \(×\) 1013 |
| \({\text{Fe}}^{\text{2+}}+6{\text{CN}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Fe}{\left(\text{CN}\right)}_{6}\right]}^{4-}\) | 1.5 \(×\) 1035 |
| \({\text{Fe}}^{\text{3+}}+6{\text{CN}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Fe}{\left(\text{CN}\right)}_{6}\right]}^{3-}\) | 2 \(×\) 1043 |
| \({\text{Fe}}^{\text{3+}}+6{\text{SCN}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Fe}{\left(\text{SCN}\right)}_{6}\right]}^{3-}\) | 3.2 \(×\) 103 |
| \({\text{Hg}}^{\text{2+}}+4{\text{Cl}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[{\text{HgCl}}_{4}\right]}^{2-}\) | 1.1 \(×\) 1016 |
| \({\text{Ni}}^{\text{2+}}+6{\text{NH}}_{\text{3}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Ni}{\left({\text{NH}}_{3}\right)}_{6}\right]}^{2+}\) | 2.0 \(×\) 108 |
| \({\text{Ag}}^{\text{+}}+2{\text{Cl}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[{\text{AgCl}}_{2}\right]}^{-}\) | 1.8 \(×\) 105 |
| \({\text{Ag}}^{\text{+}}+2{\text{CN}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Ag}{\left(\text{CN}\right)}_{2}\right]}^{-}\) | 1 \(×\) 1021 |
| \({\text{Ag}}^{\text{+}}+2{\text{NH}}_{\text{3}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Ag}{\left({\text{NH}}_{3}\right)}_{2}\right]}^{+}\) | 1.7 \(×\) 107 |
| \({\text{Zn}}^{\text{2+}}+4{\text{CN}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Zn}{\left(\text{CN}\right)}_{4}\right]}^{2-}\) | 2.1 \(×\) 1019 |
| \({\text{Zn}}^{\text{2+}}+4{\text{OH}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Zn}{\left(\text{OH}\right)}_{4}\right]}^{2-}\) | 2 \(×\) 1015 |
| \({\text{Fe}}^{\text{3+}}+{\text{SCN}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Fe}\left(\text{SCN}\right)\right]}^{2+}\) | 8.9 \(×\) 102 |
| \({\text{Ag}}^{\text{+}}+4{\text{SCN}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Ag}{\left(\text{SCN}\right)}_{4}\right]}^{3-}\) | 1.2 \(×\) 1010 |
| \({\text{Pb}}^{\text{2+}}+4{\text{I}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[{\text{PbI}}_{4}\right]}^{2-}\) | 3.0 \(×\) 104 |
| \({\text{Pt}}^{\text{2+}}+4{\text{Cl}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[{\text{PtCl}}_{4}\right]}^{2-}\) | 1 \(×\) 1016 |
| \({\text{Cu}}^{\text{2+}}+4\text{CN}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Cu}{\left(\text{CN}\right)}_{4}\right]}^{2-}\) | 1.0 \(×\) 1025 |
| \({\text{Co}}^{\text{2+}}+4{\text{SCN}}^{\text{−}}\phantom{\rule{0.2em}{0ex}}⇌\phantom{\rule{0.2em}{0ex}}{\left[\text{Co}{\left(\text{SCN}\right)}_{4}\right]}^{2-}\) | 1 \(×\) 103 |
