Question:
Given below are two statements :
Statement I : [Co(NH3)6] 3+ is a homoleptic complex whereas [Co(NH3)4Cl2] + is a heteroleptic complex.
Statement II : Complex [Co(NH3)6] 3+ has only one kind of ligands but [Co(NH3)4Cl2] + has more than one kind of ligands.
In the light of the above statements, choose the correct answer from the options given below
Given below are two statements :
Statement I : [Co(NH3)6] 3+ is a homoleptic complex whereas [Co(NH3)4Cl2] + is a heteroleptic complex.
Statement II : Complex [Co(NH3)6] 3+ has only one kind of ligands but [Co(NH3)4Cl2] + has more than one kind of ligands.
In the light of the above statements, choose the correct answer from the options given below
Statement I : [Co(NH3)6] 3+ is a homoleptic complex whereas [Co(NH3)4Cl2] + is a heteroleptic complex.
Statement II : Complex [Co(NH3)6] 3+ has only one kind of ligands but [Co(NH3)4Cl2] + has more than one kind of ligands.
In the light of the above statements, choose the correct answer from the options given below
Updated On: May 1, 2025
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
Statement I is true but Statement II is false
Statement I is false but Statement II is true
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The Correct Option is A
Solution and Explanation
To comprehend the given statements, let's first define some essential terms in coordination chemistry:
- Homoleptic Complex: A complex compound where the central metal ion is coordinated with only one type of ligand.
- Heteroleptic Complex: A complex compound where the central metal ion is coordinated with more than one type of ligand.
Now evaluate the given cobalt complexes:
- Statement I Analysis:
The complex [Co(NH3)6]3+ has six ammine (NH3) ligands, all of which are the same type, making it a homoleptic complex.
Conversely, [Co(NH3)4Cl2]+ contains both ammine (NH3) and chloride (Cl-) ligands, making it heteroleptic. Thus, Statement I is true. - Statement II Analysis:
Complex [Co(NH3)6]3+ indeed contains only one kind of ligand (NH3), affirming the statement.
Meanwhile, the complex [Co(NH3)4Cl2]+ includes two types of ligands: NH3 and Cl-. Therefore, Statement II is also true.
Hence, the correct choice is: Both Statement I and Statement II are true.
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