Oxidizing Agent — Definition, Formula, Properties & Uses | AllChemicals | AllChemicals

Also Known As	Oxidizing agent (US), oxidant, oxidiser (British), electron acceptor in redox

What is Oxidizing Agent?

A chemical species that gains electrons from another species in a redox reaction, thereby oxidizing that species. The oxidizing agent undergoes reduction (its oxidation state decreases). Identifying oxidizing and reducing agents is essential for balancing redox reactions.

Properties & Characteristics

An oxidizing agent (US English spelling of oxidising agent) is a chemical that accepts electrons from another substance (reduces itself while oxidising the other substance). In half-reaction notation: Ox + ne⁻ → Red. The strength of an oxidizing agent is measured by its standard reduction potential E°; more positive E° means stronger oxidizing agent. Most reactive: F₂ > O₃ > H₂O₂ > KMnO₄ > Cl₂ > O₂ > Br₂ > Fe³⁺ > I₂.

Uses & Applications

Oxidizing agents are essential in: industrial chemistry (air oxidation of SO₂ to SO₃ in Contact process; O₂ in steel making), environmental remediation (H₂O₂ and O₃ for oxidative degradation of organic pollutants), bleaching of paper and textiles (Cl₂, NaOCl, H₂O₂), and rocket propulsion (liquid oxygen as oxidizer in LOX-LH₂ rockets).

Safety Information

Same as oxidising agent (id 634): strong oxidizers react violently with organic materials. Liquid oxygen (LOX) at −183°C is both a cryogenic hazard and an explosion hazard in contact with hydrocarbons. Chlorine gas, concentrated HNO₃, and permanganates require specialised storage, handling, and disposal procedures.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Oxidizing Agent

Index All "O" terms

Synonyms Oxidizing agent (US), oxidant, oxidiser (British), electron acceptor in redox

Frequently Asked Questions

What is Oxidizing Agent?

A chemical species that gains electrons from another species in a redox reaction, thereby oxidizing that species. The oxidizing agent undergoes reduction (its oxidation state decreases). Identifying oxidizing and reducing agents is essential for balancing redox reactions.

What is Oxidizing Agent used for?

Is Oxidizing Agent hazardous?

More "O" Terms

Octahedral ML₆ Octane Number Octet Rule Octet Rule Oganesson Og Oil Open Sextet Open System Optical Activity Optical Isomers Optical Isomers Orbital ψ(r,θ,φ): quantum wavefunction squared gives probability density

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