Carbonite ion

Chemical compound

The carbonite ion is an anion with the chemical formula CO2−2. This divalent anion forms by deprotonation of carbonous acid. Alkali metal salts of carbonous acid, Li2CO2, K2CO2, Rb2CO2 and Cs2CO2, have been observed at 15 K. Interestingly, the disodium salt has not been directly observed under experimental conditions, suggesting that this is less stable than other alkali carbonites. Due to the lone pair on the carbon atom, salts of the carbonite ion would be protonated to form formate and formic acid, rather than the carbene.

This keyword could refer to multiple things. Here are some suggestions: