Transition elements

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Question 8

The compound $C12Fe5N12\text{C}_{12}\text{Fe}_5\text{N}_{12}$ is a mixed-valence iron complex containing $Fe2+\text{Fe}^{2+}$ , $Fe3+\text{Fe}^{3+}$ , and $CN−\text{CN}^-$ .

What are the numbers of $Fe2+\text{Fe}^{2+}$ and $Fe3+\text{Fe}^{3+}$ ions in one formula unit of $C12Fe5N12\text{C}_{12}\text{Fe}_5\text{N}_{12}$ ?

1 $Fe2+\text{Fe}^{2+}$ and 4 $Fe3+\text{Fe}^{3+}$

2 $Fe2+\text{Fe}^{2+}$ and 3 $Fe3+\text{Fe}^{3+}$

3 $Fe2+\text{Fe}^{2+}$ and 2 $Fe3+\text{Fe}^{3+}$

4 $Fe2+\text{Fe}^{2+}$ and 1 $Fe3+\text{Fe}^{3+}$

Transition elements

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Question 8

The compound $C12Fe5N12\text{C}_{12}\text{Fe}_5\text{N}_{12}$ is a mixed-valence iron complex containing $Fe2+\text{Fe}^{2+}$ , $Fe3+\text{Fe}^{3+}$ , and $CN−\text{CN}^-$ .

What are the numbers of $Fe2+\text{Fe}^{2+}$ and $Fe3+\text{Fe}^{3+}$ ions in one formula unit of $C12Fe5N12\text{C}_{12}\text{Fe}_5\text{N}_{12}$ ?

1 $Fe2+\text{Fe}^{2+}$ and 4 $Fe3+\text{Fe}^{3+}$

2 $Fe2+\text{Fe}^{2+}$ and 3 $Fe3+\text{Fe}^{3+}$

3 $Fe2+\text{Fe}^{2+}$ and 2 $Fe3+\text{Fe}^{3+}$

4 $Fe2+\text{Fe}^{2+}$ and 1 $Fe3+\text{Fe}^{3+}$

Transition elements

Question 8

Transition elements Questions

Transition elements

Question 8

Transition elements Questions