Question

consider the hydrocarbon below. what is the name of this hydrocarbon? propene pentene butene ethene

Explanation:

This hydrocarbon has 2 carbon - atoms and a double bond. According to IUPAC naming rules for alkenes (hydrocarbons with a double bond), the prefix for 2 carbon - atoms is 'eth -' and the suffix for an alkene is '-ene'.

Answer:

D. ethene