Pregunta
Wtics schoology.buffaloschools.org/assignment/7732998866/assessment Question 13 (1 point) What is the formula for iron(II) oxide? a \( \begin{array}{ll}\text { a } & \text { Fe02 } \\ \text { b } & \text { FeO } \\ \text { c } & \text { Fe20 } \\ \text { d } & \text { Fe2O3 }\end{array} \)
Ask by French Haynes. in the United States
Feb 25,2025
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The correct formula for iron(II) oxide is FeO.
Solución
To determine the correct formula for iron(II) oxide, we need to understand the naming conventions in chemistry.
1. **Iron(II)** indicates that iron has a +2 oxidation state.
2. **Oxide** refers to the oxide ion, which has a -2 charge (O²⁻).
To balance the charges:
- One iron ion (Fe²⁺) will combine with one oxide ion (O²⁻) to form a neutral compound.
Thus, the formula for iron(II) oxide is:
\[
\text{FeO}
\]
Now, let's evaluate the options provided:
- a) FeO₂
- b) FeO
- c) Fe₂O
- d) Fe₂O₃
The correct answer is:
**b) FeO**.
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Iron(II) oxide, also known as ferrous oxide, has the chemical formula \( \text{FeO} \). This means it consists of one iron (Fe) atom with a +2 oxidation state and one oxide (O) atom, which has a -2 charge. The proper naming reflects the oxidation state of the iron used in the compound! In practical applications, iron(II) oxide is often used as a pigment in ceramics and paints, giving them that attractive earthy red color. It's also found in the production of certain types of steel and as a source of iron in the chemical industry. Fun fact: Iron(II) oxide can be magnetic, which makes it interesting for various tech applications!
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