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

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

Options:

Correct Answer: 4

Solution:

The coordination number is 4 because there are four ammonia ligands coordinated to the copper ion.

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

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

Step 1: Identify the central metal ion in the complex. In [Cu(NH3)4]SO4, the central metal ion is Cu (copper).
Step 2: Look at the ligands attached to the central metal ion. In this case, there are four NH3 (ammonia) ligands.
Step 3: Count the number of ligands attached to the central metal ion. There are 4 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 4 ammonia ligands, the coordination number of the copper ion is 4.

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