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

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Question: What is the coordination number of the complex [Cu(NH3)4]SO4?

Options:

Correct Answer: 4

Solution:

In [Cu(NH3)4]SO4, copper is coordinated to four ammonia ligands, giving it a coordination number of 4.

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

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

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, there are four ammonia (NH3) ligands.
Step 3: Count the number of ligands attached to the central metal ion. Since there are four ammonia ligands, the count is 4.
Step 4: The coordination number is defined as the number of ligands directly bonded to the central metal ion.
Step 5: Therefore, the coordination number of [Cu(NH3)4]SO4 is 4.

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