Answer:
Prefix used for a molecule with two carbon atoms is (Eth-).
Explanation:
Those organic compounds which contain two carbon atoms are specified by using a prefix (Eth-).
Examples:
An Alcohol with two carbon atoms = Ethanol
An Alkyne with two carbon atoms = Ethyne
An Alkene with two carbon atoms = Ethene
A Carboxylic Acid with two carbon atoms = Ethanoic Acid
An Aldehyde with two carbon atoms = Ethanall
