Formula of a complex from its IUPAC name (or name from formula)

1. A.
   tetraamminediaquacobalt (III) chloride
2. B.
   cobalt (III) tetraamminediaquachloride
3. C.
   diaquatetraammine cobalt (III) chloride
4. D.
   tetraammine diaquacobalt (II) chloride

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1. A.
   $[\text{Fe}(\text{H}_2\text{O})_5(\text{SCN})]^{3+}$
2. B.
   $[\text{Fe}(\text{H}_2\text{O})_5(\text{NCS})]^{2+}$
3. C.
   $[\text{Fe}(\text{H}_2\text{O})_3(\text{NCS})_2]^{3+}$
4. D.
   $[\text{Fe}(\text{H}_2\text{O})_2(\text{SCN})_3]^{5+}$

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1. A.
   $\mathrm{Na_3[AlF_6]}$
2. B.
   $\mathrm{Na[AlF_6]}$
3. C.
   $\mathrm{Na_2[AlF_6]^{2+}}$
4. D.
   $\mathrm{[Al(NaF)_6]^{2+}}$

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1. A.
   $\text{K}_3[\text{Al(C}_2\text{O}_4)_3]$
2. B.
   $\text{Al}[\text{K}_3(\text{C}_2\text{O}_4)_3]$
3. C.
   $\text{K}_3[\text{Al(C}_2\text{O}_4)_3]^{2-}$
4. D.
   $\text{K}_3[\text{Al}_3(\text{C}_2\text{O}_4)_3]^{2+}$

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1. A.
   $\text{Na}_3[\text{Co}(\text{NO}_2)_6]$
2. B.
   $\text{Na}_2[\text{Co}(\text{NO}_2)_6]$
3. C.
   $[\text{Co}(\text{Na})(\text{NO}_2)_6]$
4. D.
   $\text{Na}_3[\text{Co}(\text{ONO})_6]$

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1. A.
   $[\mathrm{Pt(en)_2(NCS)}]^{2+}$
2. B.
   $\mathrm{Pt[(en)_2(SCN)_2]^{4+}}$
3. C.
   $[\mathrm{Pt(en)_2(SCN)_2}]^{2+}$
4. D.
   $\mathrm{Pt[(en)_3(SCN)_2]^{4+}}$

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