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Chapter 8: Problem 3

Define each of the following terms: $$\begin{array}{l}{\text { a. decomposition reaction }} \\ {\text { b. double-displacement reaction }} \\ {\text { c. spectator ions }} \\ {\text { d. activity series }}\end{array}$$

Short Answer

Expert verified
a. Decomposition Reaction: A chemical reaction where a single compound breaks down into two or more elements or new compounds. b. Double-Displacement Reaction: A chemical reaction where the cations and anions exchange partners to form new compounds. c. Spectator Ions: Ions that exist in the same form on both the reactant and product sides of a chemical equation. They do not directly participate in the reaction. d. Activity Series: A chart of metals listed in order of decreasing reactivity, used to determine the products of single-displacement reactions.

Step by step solution

01

Defining Decomposition Reaction

A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more elements or new compounds. Generally, this type of reaction is exhibited by compounds being heated, electrolyzed, or being exposed to a radiation source.
02

Defining Double-Displacement Reaction

A double-displacement reaction, also known as a metathesis reaction, is a type of chemical reaction where the cations and anions exchange partners to form new compounds. The general form is: AB + CD -> AD + CB.
03

Defining Spectator Ions

Spectator ions refer to the ions that exist in the same form on both the reactant and product sides of a chemical equation. They do not directly participate in the chemical reaction and do not influence the reaction process, but are often present in a solution where a reaction is taking place.
04

Defining Activity Series

The activity series is a chart of metals listed in order of decreasing reactivity. It is used to determine the products of single-displacement reactions, whereby a metal will displace any other metal listed below it in the series.

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