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Ch.5 - Introduction to Solutions and Aqueous Solutions
Tro - Chemistry: A Molecular Approach 5th Edition
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Tutti i libri di testoTro 5th EditionCh.5 - Introduction to Solutions and Aqueous SolutionsProblema 63b
Capitolo 5, Problema 63b

What is the oxidation state of Cr in each compound? b. CrO3

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Identify the oxidation state of oxygen in the compound. Oxygen typically has an oxidation state of -2.
Let the oxidation state of chromium (Cr) be x.
Write the equation for the sum of oxidation states in the compound: x + 3(-2) = 0, since the compound is neutral.
Simplify the equation: x - 6 = 0.
Solve for x to find the oxidation state of chromium in CrO3.

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Oxidation State

The oxidation state, or oxidation number, is a value that represents the total number of electrons an atom either gains or loses when it forms a compound. It helps in understanding the electron transfer in redox reactions and is crucial for determining the reactivity and stability of compounds.
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Oxidation Numbers

Rules for Assigning Oxidation States

There are specific rules for assigning oxidation states, such as the oxidation state of an element in its standard state is zero, the oxidation state of a monoatomic ion equals its charge, and in compounds, the sum of oxidation states must equal the overall charge of the compound. These rules guide the determination of oxidation states in various compounds.
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Oxidation Number Rules

Chromium Compounds

Chromium can exhibit multiple oxidation states, commonly ranging from -2 to +6. In compounds like CrO3, chromium typically has a +6 oxidation state, which is important for understanding its chemical behavior and applications, particularly in oxidation reactions and industrial processes.
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Naming Coordination Compounds Example
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