Why are acid anhydrides acidic?
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"Which following pairs of atoms, have a lower electron affinity? a) Ca,K b) I,F c) Li, Ra. I seriously don't know anything about electron affinity all ik that it can buy another element"
1 Answer
Dec 20, 2016
Because they form carboxylic acids in aqueous solution, and these are proton donors.
Explanation:
Acid anhydrides are essentially two carboxylic acid molecules, joined together by a condensation reaction between the two -COOH groups to form -COOCO- and eliminate water. They react readily with water to form two carboxylic acids again, so in the presence of water, the acid anhydride is hydrolysed and forms carboxylic acids again and these release
