What is the coordination number of the central metal ion in the complex ion [Co(

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Question: What is the coordination number of the central metal ion in the complex ion [Co(NH3)6]3+? (2021)

Options:

Correct Answer: 6

Exam Year: 2021

Solution:

In the complex [Co(NH3)6]3+, there are six ammonia (NH3) ligands coordinated to the cobalt ion, giving it a coordination number of 6.

What is the coordination number of the central metal ion in the complex ion [Co(NH3)6]3+? (2021)

What is the coordination number of the central metal ion in the complex ion [Co(NH3)6]3+? (2021)

Step 1: Identify the central metal ion in the complex. In [Co(NH3)6]3+, the central metal ion is cobalt (Co).
Step 2: Look at the ligands attached to the central metal ion. In this complex, there are six ammonia (NH3) ligands.
Step 3: Count the number of ligands attached to the central metal ion. There are 6 ammonia ligands.
Step 4: The coordination number is defined as the number of ligands attached to the central metal ion. Since there are 6 ligands, the coordination number is 6.

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