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Identify the statement which is not corr...

Identify the statement which is not correct .

A

Coordination compounds are mainly known for transition metals .

B

Coordination number and oxidation state of a metal are same

C

A ligand donates at least one electron pair to the metal atom to form a bond .

D

`[Co(NH_3)_(4) Cl_(2)]^(+)` is a heteroleptic complex .

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question of identifying the incorrect statement regarding coordination compounds, we will analyze each statement one by one. ### Step-by-Step Solution: 1. **Statement 1: Coordination compounds are mainly known for transition elements.** - **Analysis:** This statement is true. Coordination compounds are primarily formed by transition metals that can accept electron pairs from ligands to form complexes. 2. **Statement 2: Coordination number and oxidation state of a metal are the same.** - **Analysis:** This statement is incorrect. The coordination number refers to the number of ligand atoms that are bonded to the central metal atom, which can be 2, 4, 6, etc. In contrast, the oxidation state can be negative, zero, or positive. For example, in the complex Ni(CO)₄, the coordination number is 4 while the oxidation state of nickel is 0. Therefore, this statement is false. 3. **Statement 3: A ligand donates at least one electron pair.** - **Analysis:** This statement is true. Ligands are defined as species that donate electron pairs to the central metal atom in a coordination complex. 4. **Statement 4: The complex can be divided into two categories: homoleptic and heteroleptic.** - **Analysis:** This statement is true. Homoleptic complexes have all ligands the same, while heteroleptic complexes have different types of ligands. ### Conclusion: The only incorrect statement among the options provided is **Statement 2**. ### Final Answer: The statement which is not correct is: **Coordination number and oxidation state of a metal are the same.** ---
To solve the question of identifying the incorrect statement regarding coordination compounds, we will analyze each statement one by one. ### Step-by-Step Solution: 1. **Statement 1: Coordination compounds are mainly known for transition elements.** - **Analysis:** This statement is true. Coordination compounds are primarily formed by transition metals that can accept electron pairs from ligands to form complexes. 2. **Statement 2: Coordination number and oxidation state of a metal are the same.** ...
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