Acidic oxides, or acid anhydride, are oxides that react with water to form an acid, or with a base to form a salt.
They are oxides of either nonmetals or of metals in high oxidation states.
P4O10 is classified as an acidic oxide because it
A. reacts with acids to produce salt B is insoluble in water.
C. reacts with water to produce OH-
D. gives a solution of phosphoric acid, H3PO4, on dissolving in water.
E. can act as a Lewis base by donating electron pairs.
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