Definition, Meaning & Synonyms

spontaneous reaction

Noun

spɒnˈteɪ.ni.əs riˈæk.ʃən

Definition

A spontaneous reaction is a chemical reaction that occurs without the need for external input or influence once it has started.

Examples

The combustion of fuels is a spontaneous reaction that releases heat and light.
Rusting of iron in the presence of moisture is a common example of a spontaneous reaction.

Meaning

It refers to a process that happens on its own due to the inherent properties of the reactants and the conditions present, often resulting in a release of energy.