Question

what type of chemical reaction is shown: $ce{pcl_{5} -> pcl_{3} + cl_{2}}$decompostionsynthesissingle replacementdouble replacement

Explanation:

This reaction has one reactant breaking down into two simpler products, which matches the definition of a decomposition reaction. Synthesis reactions combine reactants, while single/double replacement reactions involve swapping elements between compounds.

Answer:

Decompostion