Orgo Homologous Series

ether

an O in the middle of a carbon chain

alcohol

-OH added to carbon chain

carboxylic acid

-COOH at the end of a carbon chain

ester

-COO- located in the middle of a carbon chain

amine

nitrogen with no oxygen

amide

nitrogen with oxygen and C=O

nirtile

nitrogen at the end of carbon chain, triple bonded to first carbon

arene

benzene

alkane

saturated

ketone

C=O in the middle of a carbon chain

aldehyde

C=O at the beginning of the carbon chain

halogenoalkane

carbons with only single bonds and a halogen

alkene

C=C

alkyne

CC triple bond