Question

The oxides form by metal are Acidic or Basic

Answer 1

Answer:

the oxide formed by metal are acidic

Explanation:

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Answer 2

Answer:

Metal oxides are crystalline solids that contain a metal cation and an oxide anion. They typically react with water to form bases or with acids to form salts.

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The alkali metals and alkaline earth metals form three different types of binary oxygen compounds: (1) oxides, containing oxide ions, O2−, (2) peroxides, containing peroxide ions, O22−, which contain oxygen-oxygen covalent single bonds, and (3) superoxides, containing superoxide ions, O2−, which also have oxygen-oxygen covalent bonds but with one fewer negative charge than peroxide ions. Alkali metals (which have a +1 oxidation state) form oxides, M2O, peroxides, M2O2, and superoxides, MO2. (M represents a metal atom.) The alkaline earth metals (with a +2 oxidation state) form only oxides, MO, and peroxides, MO2. All the alkali metal oxides can be prepared by heating the corresponding metal nitrate with the elemental metal.2MNO3 + 10M + heat → 6M2O + N2A general preparation of the alkaline earth oxides involves heating the metal carbonates.MCO3 + heat → MO + CO2Both alkali metal oxides and alkaline earth metal oxides are ionic and react with water to form basic solutions of the metal hydroxide.M2O + H2O → 2MOH (where M = group 1 metal)

MO + H2O → M(OH)2 (where M = group 2 metal)Thus, these compounds are often called basic oxides. In accord with their basic behaviour, they react with acids in typical acid-base reactions to produce salts and water; for example,M2O + 2HCl → 2MCl + H2O (where M = group 1 metal)

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