Chemical Reactions of Solutions

Greetings,

This post discusses the types of chemical changes encountered in solutions and provides examples of them.  There is a wide variety of reactions which occur in solutions because the environment is quite suitable for chemical change.  Some reactions in solutions can be described very simply while others require a more rigorous explanation.  The most commonly seen chemical changes of solutions will be covered here.

Phenomena

Generally speaking, the reactions of solutions are; gas producing, gas consuming, solid compound forming, coordinate compound producing, solid metal forming, water producing, and compound synthesis.  Common solution reaction examples with images are listed below.

Solution Reaction Types and Examples

Just a few comments about the diagram.  The carbon dioxide reaction must be done under great pressure to make it a "one way" reaction with carbonic acid as a product.  The reverse reaction slowly occurs when a carbonated beverage container is opened.  The coordination compound reaction shown is among the simplest examples, as many of these are quite complicated.  The copper plating reaction shown above is very common and is even used to make pennys, as they are just zinc on the inside.  The water producing reaction, sulfuric acid reacting with sodium hydroxide, is shown as a partially pink solution.  This comes from the use of phenolphthalien indicator as the sodium hydroxide base is added to sulfuric acid contained within the flask.  And, finally, the production of bio-diesel fuel is shown because it is an important part of the ever-expanding renewable ("Green") fuel revolution.

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