Chemistry · Coordination Compounds
Based on the spectrochemical series and crystal field theory, arrange the following complex ions in the increasing order of their Crystal Field Splitting Energy (Δo): [CrCl6]3−, [Cr(NH3)6]3+, [Cr(CN)6]3−.
- 1[CrCl6]3− < [CrCl6]3− < [Cr(NH3)6]3+
- 2[Cr(CN)6]3− < [Cr(NH3)6]3+ < [CrCl6]3−
- 3[CrCl6]3− < [Cr(NH3)6]3+ < [Cr(CN)6]3−✓
- 4[Cr(CN)6]3− < [CrCl6]3− < [Cr(NH3)6]3+
Correct answer
[CrCl6]3− < [Cr(NH3)6]3+ < [Cr(CN)6]3−
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