Exhibit 18-2
Consider the data below to answer the following question(s).
Acetals are a special class of ethers which have two ether linkages at a single carbon.Tetrahydropyranyl ethers are acetals that are easily cleaved with mild aqueous acids at room temperature to yield alcohols. 
-Refer to Exhibit 18-2.Draw arrows showing the electron flow for this reaction on the structures provided below. 
Definitions:
Reagents
Substances or compounds added to a system to cause a chemical reaction or are used to test for the presence of another substance.
Reaction
A process in which one or more substances (the reactants) undergo a transformation to form new substances (the products).
Organic Product
A compound or substance that has been synthesized through an organic reaction, featuring carbon-based molecular structures.
Reaction
A process that leads to the transformation of one set of chemical substances to another.
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