Phosphite

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

A phosphite ion in inorganic chemistry usually refers to [HPO3]2− but includes [H2PO3]− ([HPO2(OH)]−). These anions are the conjugate bases of phosphorous acid (H3PO3). The corresponding salts, e.g. sodium phosphite (Na2HPO3) are reducing in character.

Excerpt from the Wikipedia article “Phosphite (ion)”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Leyo, Public domain, via Wikimedia Commons.