acid anhydride

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acid anhydride

chemical compound

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carboxylic acid derivatives

In chemical compound: Carboxylic acids
…chlorine or bromine atom; and anhydrides have an attached carboxyl group. Each type of acid derivative has a set of characteristic reactions that qualifies it as a unique functional group, but all acid derivatives can be readily converted to a carboxylic acid under appropriate reaction conditions. Many simple esters are…
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nitrogen oxides

In oxide: Oxides of nitrogen
Two oxides of nitrogen are acid anhydrides; that is, they react with water to form nitrogen-containing oxyacids. Dinitrogen trioxide is the anhydride of nitrous acid, HNO₂, and dinitrogen pentoxide is the anhydride of nitric acid, HNO₃.N₂O₃ + H₂O → 2HNO₂
N₂O₅ + H₂O → 2HNO₃ There are no stable oxyacids…
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properties

In anhydride
…an acid are often called acid anhydrides, whereas those such as calcium oxide that are produced by a base upon the loss of water are designated basic anhydrides.
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