The IO 3^- anion is called iodate. There are three related ions: IO^-, IO2^-, and IO4^-. Using w

step 1 Let's name each of the following compounds. H .I .O .3 is iotic acid. N .A .io4 is named sodium

The IO 3^- anion is called iodate. There are three related...

The IO $_{3}^{-}$ anion is called iodate. There are three related ions: $\mathrm{IO}^{-}, \mathrm{IO}_{2}^{-},$ and $\mathrm{IO}_{4}^{-}$. Using what you have learned about similar groups of anions, write the name for each of the following compounds: $$ \mathrm{HIO}_{3} $$ $\mathrm{NaIO}_{4}$

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Key Concepts

Polyatomic Iodine Oxyanions

These are ions composed of iodine and oxygen with varying numbers of oxygen atoms, such as IO?, IO??, IO??, and IO??. The different oxygen counts result in different oxidation states of iodine, and their names often follow systematic nomenclature rules where prefixes like ‘hypo-’ or ‘per-’ indicate the relative oxygen content.

Oxyacid Nomenclature

In oxyacid nomenclature, acids are named based on the oxygen-containing anion. For an anion ending in ‘-ate’, the corresponding acid is named by replacing ‘-ate’ with ‘-ic acid’. Thus, when a hydrogen ion is combined with an IO?? ion, the acid is called iodic acid.

Salt Naming Conventions in Inorganic Chemistry

Salts are named by stating the name of the cation first, followed by the name of the anion. For anions derived from polyatomic oxyanions, the nomenclature reflects the oxygen content; for example, the IO?? anion is referred to as periodate. Thus, a compound like NaIO? is named sodium periodate.

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