Could you check the answers for the following naming questions for me? I do not

Question

Could you check the answers for the following naming questions for me? I do not have the answer key, so I'm not sure if I got the concept down clearly. I've italicized&bolded the answers that I think is right.

Thank you!

Select the correct name for:

[Co(NH3)6] 2+

A) hexammoniacobaltate(II)

B) hexammoniacobalt(II)

C) hexamminecobaltate(II)

D) hexamminecobalt(II)

E) none of the above

[Co(NH3)3(H2O)2Cl]Br2

A) diaquachloronitroamminecobalt(III) bromide

B) triamminediaquachlorocobalt(III) bromide

C) triamminediaquachlorocobaltate(III) bromide

D) chlorotriamminediaquacobalt(II) bromide

E) triamminediaquachlorocobalt(II) bromide

Na3[Co(NO2)6]

A) hexanitrocobalt(III) sodium

B) hexanitrocobaltate(III) sodium

C) sodium hexanitrocobaltate(III)

D) sodium hexanitritocobaltate(III)

E) sodium hexanitrocobalt (III)

[Ru(en)3] 2+

A) cis-tris(ethylenediamine)ruthenium(II)

B) trans-tris(ethylenediamine)ruthenium(II)

C) tris(ethylenediamine)ruthenium(III)

D) tris(ethylenediamine)ruthenium (II)

E) tri(ethylenediamine)ruthenium(II)

[Ni(CO)4]

A) tetracarbonylnickel(0)

B) tetracarbonylnickel(II)

C) tetracarbonylnickelate(0)

D) tetracarbonylnickelate(II)

E) none of the above

[Pt(NH3)2Cl2]

A) diamminedichloroplatinate(II)

B) diamminebischloroplatinum(II)

C) diamminedichlorideplatinium(II)

D) diammoniadichloroplatinum(II)

E) diamminedichloroplatinum(II)

Explanation / Answer

[Co(NH3)6] 2+ D) hexamminecobalt(II)

[Co(NH3)3(H2O)2Cl]Br2 B) triamminediaquachlorocobalt(III) bromide

Na3[Co(NO2)6] C) sodium hexanitrocobaltate(III)

[Ru(en)3] 2+   D) tris(ethylenediamine)ruthenium (II) [as Ru has +2 charge and en is neutral bidentate ligand]

[Ni(CO)4]   A) tetracarbonylnickel(0) [Ni is in 0 oxidation state]

[Pt(NH3)2Cl2]   E) diamminedichloroplatinum(II)

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