What is the coordination number of the metal ion in the complex [Co(NH3)6]Cl3?

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Question: What is the coordination number of the metal ion in the complex [Co(NH3)6]Cl3?

Options:

Correct Answer: 6

Solution:

The coordination number of the metal ion in [Co(NH3)6]Cl3 is 6, as it is surrounded by six ammonia ligands.

What is the coordination number of the metal ion in the complex [Co(NH3)6]Cl3?

What is the coordination number of the metal ion in the complex [Co(NH3)6]Cl3?

Step 1: Identify the metal ion in the complex. In [Co(NH3)6]Cl3, the metal ion is Co (Cobalt).
Step 2: Look at the ligands attached to the metal ion. In this case, there are six NH3 (ammonia) ligands.
Step 3: Understand what coordination number means. The coordination number is the number of ligands directly bonded to the metal ion.
Step 4: Count the number of ligands. Since there are six NH3 ligands, the coordination number is 6.
Step 5: Conclude that the coordination number of the metal ion Co in [Co(NH3)6]Cl3 is 6.

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