What is the correct formula for copper(II) oxide?Group of answer choicesCuO2Cu2OCuO2CuO2CO2
Question
What is the correct formula for copper(II) oxide?
Group of answer choices
- CuO2
- Cu2O
- CuO2
- CuO2
- CO2
Solution
To determine the correct formula for copper(II) oxide, we need to understand the oxidation state of copper in this compound.
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Understanding Oxidation States
- Copper (Cu) can have multiple oxidation states, commonly +1 and +2.
- In copper(II) oxide, the oxidation state of copper is +2.
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Combining Elements
- The oxide ion (O) has a charge of -2.
- To balance the charges, one copper ion with a +2 charge will combine with one oxide ion.
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Chemical Formula
- The correct formula for copper(II) oxide, which consists of one copper ion and one oxide ion, is CuO.
Final Answer
The correct formula for copper(II) oxide is CuO.
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