Why is Cl2 + KI → KCl + 12 not a synthesis reaction?

A) Oxygen is not a product in this reaction.

B) The reaction has more than one product.

C) Oxygen is not a reactant in this reaction.

D) The reaction has more than one reactant.

B) The reaction has more than one product.

Explanation:

Synthesis reactions are one type of chemical reaction that occurs when two or more elements or smaller compounds occur to form a single large compound. Therefore, the reaction Cl₂ + 2KI → 2KCl + I₂ is not a synthesis reaction because more than one product is formed. Instead, it is an example of a single replacement reaction where a more reactive element displaces a less reactive element from its salt.