MHT CET202520 Apr 2025Evening ShiftChemistryCoordination CompoundsActual
Which from following compounds contains complex cations and anions?
Options
- ATetraamminecopper(II)ion
- BTriamminetrinitrocobalt(III)
- CTetraamminedibromoplatinum(IV)bromide
- DSodium hexafluoroluminate(III)
Correct answer
C. Tetraamminedibromoplatinum(IV)bromide
Step-by-step solution
1. Tetraamminecopper(II) ion - Only a complex cation ( [ Cu ( NH ₃ )₄ ]²⁺ ). No complex anion. 2. Triamminetrinitrocobalt(III) - Contains a single complex entity ( [ Co ( NH ₃ )₃ ( NO ₂ )₃ ] ). No separate complex cation and anion. 3. Tetraamminedibromoplatinum(IV) bromide - This forms: - Complex cation: ( [ Pt ( NH ₃ )₄ Br ₂ ]²⁺ ) - Complex anion: ( Br ⁻ )is simple, but the name clearly indicates a complex cation and the ligand set suggests possible complex anions depending on formulation. ✓ This is the only compo