Question

Assertion (A): [Cr(H$_2$O)$_6$]Cl$_2$ and [Fe(H$_2$O)$_6$]Cl$_2$ are examples of homoleptic complexes.
Reason (R): All the ligands attached to the metal are the same.

• A. Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
• B. Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
• C. Assertion (A) is true, but Reason (R) is false.
• D. Assertion (A) is false, but Reason (R) is true.

Hint:

Homoleptic complexes contain only one type of ligand bound to the central metal atom.

Answer 1

The Correct Option is A

To address this question, we will examine the provided assertion and reason.

Assertion (A):
[Cr(H₂O)₆]Cl₂ and [Fe(H₂O)₆]Cl₂ are classified as homoleptic complexes.

Reason (R):
The defining characteristic is that all ligands bound to the central metal atom are identical.

1. Definition of Homoleptic Complexes:
Homoleptic complexes consist of a central metal atom or ion bonded to only one type of ligand. In the given examples, [Cr(H₂O)₆]Cl₂ and [Fe(H₂O)₆]Cl₂ each feature six water (H₂O) molecules as ligands, thus fitting the definition of homoleptic complexes.

2. Assessment of Assertion (A):
Both [Cr(H₂O)₆]Cl₂ and [Fe(H₂O)₆]Cl₂ utilize the same ligand, H₂O. Consequently, Assertion (A) is validated as correct.

3. Assessment of Reason (R):
The reason accurately states that for homoleptic complexes, all attached ligands must be identical. This premise is true. Therefore, Reason (R) is also deemed correct.

4. Final Determination:
Both the assertion and the reason are accurate, and the reason provides a correct explanation for the assertion.

Final Answer:
The appropriate choice indicates that both the assertion and the reason are true, with the reason effectively explaining the assertion.