What is the coordination number of the central metal ion in the complex [Cu(NH3)4]SO4?

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Q: What is the coordination number of the central metal ion in the complex [Cu(NH3)4]SO4?

Solution: The coordination number of copper in [Cu(NH3)4]SO4 is 4, as it is surrounded by four ammonia ligands.

Steps: 5

Step 1: Identify the central metal ion in the complex. In this case, it is copper (Cu).
Step 2: Look at the ligands attached to the central metal ion. Here, the ligands are four ammonia (NH3) molecules.
Step 3: Count the number of ligands surrounding the central metal ion. There are four ammonia ligands.
Step 4: The coordination number is defined as the number of ligands directly bonded to the central metal ion.
Step 5: Since there are four ammonia ligands, the coordination number of copper in [Cu(NH3)4]SO4 is 4.