A、[Cr(NH<sub>3sub>)<sub>4sub>(H<sub>2sub>O)<sub>2sub>]Cl<sub>3sub> B、[Cr(NH<sub>3sub>)<sub>4sub>Cl<sub>2sub>]Cl C、[Cr(NH<sub>3sub>)<sub>4sub>(H<sub>2sub>O)Cl]Cl<sub>2sub> D、[Cr(NH<sub>3sub>)<sub>3sub>Cl<sub>3sub>]
A、[Cr(NH<sub>3sub>)<sub>4sub>(H<sub>2sub>O)<sub>2sub>]Cl<sub>3sub> B、[Cr(NH<sub>3sub>)<sub>4sub>Cl<sub>2sub>]Cl C、[Cr(NH<sub>3sub>)<sub>4sub>(H<sub>2sub>O)Cl]Cl<sub>2sub> D、[Cr(NH<sub>3sub>)<sub>3sub>Cl<sub>3sub>]
A、[Cr(NH<sub>3sub>)<sub>4sub>(H<sub>2sub>O)<sub>2sub>]Cl<sub>3sub> B、[Cr(NH<sub>3sub>)<sub>4sub>Cl<sub>2sub>]Cl C、[Cr(NH<sub>3sub>)<sub>4sub>(H<sub>2sub>O)Cl]Cl<sub>2sub> D、[Cr(NH<sub>3sub>)<sub>3sub>Cl<sub>3sub>]
A、[Co(NH<sub>3sub>)<sub>6sub>]3+ B、[Co(NH<sub>3sub>)<sub>6sub>]2+ C、[Co(NO<sub>2sub>)<sub>6sub>]3- D、[Co(CN)<sub>6sub>]<sub>4sub>
A、NH<sub>3sub>>H<sub>2sub>O>CH<sub>4sub> B、H<sub>2sub>O>NH<sub>3sub>>CH<sub>4sub> C、H<sub>2sub>O>CH<sub>4sub>>NH<sub>3sub> D、CH<sub>4sub>>NH<sub>3sub>>H<sub>2sub>O