Respuesta :

The answer . is " decomposition" B

The type  of chemical  reaction that occurs in

2KClO3 →  2KCl  + 3O2  is  decomposition  reaction (answer B)


Explanation

Decomposition reaction-  is type of chemical reaction that involves  breaking down   compound into smaller or individual  elements.

KClO3 undergoes decomposition reaction   and it is broken down into KCl and  O2.

Mostly in decomposition reaction energy  is involved to break down  compounds.