boner
metal hydroxide
Since aluminium oxide is an amphoteric oxide, it does react with the alkali sodium hydroxide in an aqueous medium. It is an acid base reaction.
acid+ metal oxide --> salt + water
whatis the word equation of Iron oxide when metal oxide is added and what gas is produced in the reaction
The easiest way of remembering whether something is a base is by remembering: "A base is a metal oxide, metal hydroxide, or ammonia." Sodium Hydroxide comes under the metal hydroxide category, so yes, it is a base.
Reaction of a metal oxide with water produces a metal hydroxide, which is a strong base
synthesis
synthesis
The Metal hydroxides are strong base, therefore metal hydroxide decomposes on heating to form metal oxide and water.
The other product of the reaction may be an oxide or hydroxide.
metal hydroxide
Metal oxide + Water --> Metal hydroxide
Since aluminium oxide is an amphoteric oxide, it does react with the alkali sodium hydroxide in an aqueous medium. It is an acid base reaction.
A basic solution
acid+ metal oxide --> salt + water
The oxide ions in a metal oxide generally react with water to form hydroxide ions which are basic in nature (OH-). Here's a complete reaction example : The oxide ion tends to react with water to form hydroxide ions. generically O2- + H2O --> 2OH- As an example, CaO + H2O ---> Ca(OH)2 Some other metal oxides (like ZnO and Al2O3) are basic BUT also acidic oxides: ZnO + H2O + 2 OH- --> Zn(OH)42- in which reaction hydroxide is needed and NOT formed! This behaviour is usually termed amphoteric.
Metal carbonate Metal oxide Metal hydroxide