What is Neutralization Reaction?


What is Neutralization Reaction?


Neutralization reaction is the reaction between the H+ ion of an acid and the OH- ion of a base to form non-ionizable water molecules.

H+(aq) + OH-(aq) → H2O(l) or

H3O+(aq) + OH-(aq) → 2H2O(l)

Note: in neutralization reaction, the negative ions of the acids and the positive metallic ions of the bases do not take part in the reaction process - they are regarded as spectator ions - they are left in the solution to form salts, while non-ionizable water molecules are formed.

Example, H+Cl-(aq) + Na+OH-(aq) → Na+Cl-(aq) + H2O(l)

Hence, the essential reaction in neutralization reaction is that between hydrogen ions, H+ or hydronium ions, H3O+ and hydroxide ions, OH-. The heats of neutralization for a number of neutralization reactions also corroborate this fact.





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