CBSE 2025, Set 1

Question

**Assertion (A):** $[	ext{Cr(H}_2	ext{O)}_6]	ext{Cl}_2$ and $[	ext{Fe(H}_2	ext{O)}_6]	ext{Cl}_2$ 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.

Edvaya · Accepted Answer

The correct answer is Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).. **A is TRUE:** Both complexes have only H$_2$O as the ligand inside the coordination sphere — they are homoleptic (all same ligands). **R is TRUE:** A homoleptic complex is one in which all ligands attached to the metal are the same. **R correctly explains A.** Answer: **(A)**

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Chemistry > Inorganic Chemistry > Coordination Compounds

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