Question:
Which of the following complexes is homoleptic?
Which of the following complexes is homoleptic?
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A homoleptic complex has only one kind of ligand attached to the metal.
Updated On: Nov 12, 2026
- Diamminechloridonitrito-N-platinum (II)
- Pentaamminecarbonatocobalt (III) chloride
- Triamminetriaquachromium (III) chloride
- Potassium trioxalatoaluminate (III)
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept
In a homoleptic complex the central metal is bonded to only one type of ligand. Heteroleptic complexes have more than one type.
Step 2: Read the ligands
Option A has ammine, chlorido and nitrito. Option B has ammine and carbonato. Option C has ammine and aqua.
Step 3: Option D
Potassium trioxalatoaluminate (III) is \(\text{K}_3[\text{Al(C}_2\text{O}_4)_3]\), which has only oxalate ligands.
Final Answer:
Potassium trioxalatoaluminate (III) is the homoleptic complex. \[ \boxed{\text{(D) }\text{Potassium trioxalatoaluminate (III)}} \]
In a homoleptic complex the central metal is bonded to only one type of ligand. Heteroleptic complexes have more than one type.
Step 2: Read the ligands
Option A has ammine, chlorido and nitrito. Option B has ammine and carbonato. Option C has ammine and aqua.
Step 3: Option D
Potassium trioxalatoaluminate (III) is \(\text{K}_3[\text{Al(C}_2\text{O}_4)_3]\), which has only oxalate ligands.
Final Answer:
Potassium trioxalatoaluminate (III) is the homoleptic complex. \[ \boxed{\text{(D) }\text{Potassium trioxalatoaluminate (III)}} \]
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