Question

What occurs during a decomposition reaction?

Answer 1

A chemical reaction is a process that results in the chemical change of one set of chemical substances into another set of chemical substances. Chemical reactions are often defined as changes in the locations of electrons in the formation and breaking of chemical bonds between atoms, with no change in the nuclei (no change in the elements present), and may be represented using a chemical equation.

Complete Step By Step Answer:
The act or effect of breaking down a single chemical entity into two or more fragments is known as chemical decomposition. Chemical breakdown is often thought of as the polar opposite of chemical synthesis. In simple terms, a decomposition reaction is a chemical reaction that produces two or more products from a single source.
The intricacies of a decomposition process aren't usually well defined, but part of it is: breaking bonds requires a lot of energy. Because all decomposition processes tear away the bonds that keep it together in order to generate its simpler fundamental elements, they all require some type of energy to some degree.
The majority of these reactions are known to be endothermic as a result of this fundamental law, however there are exceptions. When a chemical substance is subjected to severe environmental conditions such as heat, radiation, humidity, or the acidity of a solvent, its stability is eventually harmed. Chemical breakdown is frequently an unwanted chemical reaction as a result of this. Chemical breakdown, on the other hand, is being employed in an increasing variety of applications.
The generalised reaction for chemical decomposition in the breakdown of a substance into its constituent elements is:
$\text{AB }\to \text{ A + B}$
The electrolysis of water to produce hydrogen and oxygen is one example.
$2\text{ }{{H}_{2}}O\left( l \right)\text{ }\to \text{ }2\text{ }{{H}_{2}}\left( g \right)\text{ }+\text{ }{{O}_{2}}\left( g \right)$
Other instances include the following.
$2\text{ }{{H}_{2}}{{O}_{2}}\to \text{ }2\text{ }{{H}_{2}}O\text{ }+\text{ }{{O}_{2}}$
${{H}_{2}}C{{O}_{3}}\to \text{ }{{H}_{2}}O\text{ }+\text{ }C{{O}_{2}}$
$2\text{ }KCl{{O}_{3}}\to \text{ }2\text{ }KCl\text{ }+\text{ }3\text{ }{{O}_{2}}$

Note:
To create the products, the chemical links between the atoms of the decomposing molecule are broken and subsequently reorganised in new ways. New compounds are created as chemical bonds between the atoms of the decomposing compound break, and new chemical bonds form between the atoms of the components of the dissolving molecule.