Practice Single Displacement in Chemistry
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
A reaction in which a more reactive element replaces a less reactive element in a compound.
A bully element kicks a weaker one out of its compound — like a stronger player replacing a weaker one on a team.
Example 1
easyWrite the balanced equation for zinc metal reacting with hydrochloric acid.
Example 2
mediumWill copper react with silver nitrate solution? If so, write the balanced equation. (Activity series: Cu is above Ag.)
Example 3
easyWill gold (Au) react with \text{CuSO}_4 solution? (Au is below Cu in the activity series.)
Example 4
hardZinc metal is placed in a copper(II) sulfate solution (\text{CuSO}_4). The solution gradually loses its blue color and a reddish deposit forms. Write the balanced equation and explain what the color changes indicate.