Determine the oxidation state of sulfur in each of the following: (a) SO3 (b) SO2 (c) SO3^2-

Name: Problem 48, Chapter 18: Chemistry
Uploaded: 2020-03-30T03:02:10-08:00
Duration: 1 min 37 s
Channel: Nadia Lara
Description: Determine the oxidation state of sulfur in each of the following: (a) SO3 (b) SO2 (c) SO3^2-

step 1 When we're finding oxidation states, some of the rules or guidelines that we should follow is th

Determine the oxidation state of sulfur in each of the...

Key Concepts

Charge Balance Principle

In any chemical compound or ion, the total of the oxidation states of all atoms must equal the net charge of the compound. For neutral molecules, the sum is zero, while for polyatomic ions, it equals the ion charge. This principle is crucial for correctly calculating individual oxidation states in multi-atom species.

Oxidation State

The oxidation state (or oxidation number) is a bookkeeping tool used in chemistry to keep track of electrons in atoms during chemical reactions. It assigns a hypothetical charge to an atom in a compound assuming that the bonding electrons are completely transferred to the more electronegative element in each bond.

Rules for Assigning Oxidation States

Several rules guide the assignment of oxidation states. These include: elements in their elemental form have an oxidation state of zero; for monoatomic ions, the oxidation state equals the ion charge; oxygen is typically assigned an oxidation state of -2 (with exceptions such as peroxides); and the sum of oxidation states in a neutral molecule or polyatomic ion must equal zero or the overall charge of the ion, respectively.

Electronegativity Considerations

Electronegativity is a measure of an atom's tendency to attract electrons in a bond. When assigning oxidation states, the more electronegative atoms are considered to attract the electrons, which influences how oxidation numbers are distributed among the atoms in a compound.

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