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

Practice Questions

Q1
What is the coordination number of the complex [Cu(NH3)4]SO4?
  1. 2
  2. 4
  3. 6
  4. 8

Questions & Step-by-Step Solutions

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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