manganate
Definition
Noun: * A salt of manganic acid containing manganese as its anion: A chemical compound where the negatively charged ion (anion) is derived from manganic acid (H₂MnO₄), containing manganese in a +6 oxidation state.
Usage
- As a chemical compound: The term is used primarily in chemistry to describe specific ionic compounds containing the MnO₄²⁻ anion.
- Potassium manganate (K₂MnO₄) is a green-colored salt.
- The synthesis of sodium manganate was described in the experiment.
Advanced Usage
- In redox chemistry: Manganate ions are often intermediates in reactions involving permanganate (MnO₄⁻) and manganese dioxide (MnO₂).
- In alkaline solution, permanganate can be reduced to green manganate.
Variants and Related Words
- Permanganate (noun): A salt containing the MnO₄⁻ anion, where manganese is in a +7 oxidation state (e.g., potassium permanganate, KMnO₄).
- Manganic (adjective): Relating to manganese in a +3 or +6 oxidation state (e.g., manganic acid, H₂MnO₄).
Synonyms
- Manganate salt: A more descriptive synonym.
- Mn(VI) compound: A notation specifying the +6 oxidation state of manganese.
Notes on Different Meanings
- The term manganate has a very specific meaning in inorganic chemistry and is not used in general language. It should not be confused with the more common permanganate.
Noun
-
a salt of manganic acid containing manganese as its anion
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