Question

what is acidic oxides​

Answer 1

Explanation:

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Acidic oxides are the oxides of non-metals.

They dissolve in water to produce acids.

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Answer 2

Oxides

The classification of oxides is done into neutral, amphoteric and basic or acidic based on their acid-base characteristics.

• An acidic oxide is an oxide which when combined with water gives off an acid.

• A basic oxide is an oxide which when combined with water gives off a base.

• When a substance reacts chemically, both as a base or acid it termed as an amphoteric solution.

• Neutral Oxide is one which neither has an acidic characteristic or a basic one.

Metal Oxides have an oxidation number of -2 and generally comprise of an oxygen anion. The Earth’s crust is mostly made up of oxides that are solid. Oxide coatings can get formed over pure elements too, for instance, a foil made of aluminium gets covered by a thin skin of Al2O3, and this skin defends the rest of the foil from corrosion.

Acidic oxide

Non-metals react with oxygen to form acidic compounds of oxides which are held together by covalent bonds. These compounds can also be called as acid anhydrides. Acid anhydrides usually have a low melting and boiling point except for compounds like B2O3 and SiO2 which have high melting points and form giant molecules.

Examples:

$NO, CO_2\\\\SO_3 + H_2O\ -> H_2SO_4\\\\B_2O_3 + H_2O\ -> 2H_3BO_3$