The functional group that is formed when an aldehyde and an alcohol are mixed together in the presence of a catalytic amount of acid will be an Acetal.
Aldehyde may be defined as the functional group having the suffix as -al and represented as RCHO. In this functional group the carbon atom is in double bond with the oxygen atom satisfying the valency of each atom. Alcohols are functional groups having the suffix as -ol and represented as ROH. They are very important and have many characteristic features. Acetals are functional groups in which the carbon atom is bonded with two -OR groups. They are produced when alcohol and aldehyde are mixed in presence of Hydrochloric acid. If the reaction takes place without the presence of HCl, then Hemiacetal will be formed that is carbon atom will have one -OR group.
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