Monday, October 5, 2020

Single Displacement

General Chemistry Index

Where are we going with this? This page will assist in developing the ability to describe, classify, and give examples of various kinds of reactions: synthesis (i.e., combination), decomposition, single displacement, double displacement, acid/base, and combustion.

Single Displacement / Single Replacement
There this thing and this other thing made of things.

Single replacement occurs when there are multiple reactants that combine in a way that something in one compound is replaced by the other reactant.

A single thing replaces something in a compound.

What this looks like:

AB + C --> A + BC

A + BC -> AB + C


  • In single replacement, at least one of the products and one of the reactants has to be a compound.


2K + 2H2O --> H2 + 2KOH

where the K takes the place of one H. 

2Ag + H2S --> Ag2S + H2 

where the Ag takes the place of the H.  

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