Which compound is a saturated hydrocarbon?
A. Ethane.
B. Ethene.
C. Ethyne.
D. Ethanol.
By definition saturated hydrocarbons share a single pair of electrons (single bond). The hydrocarbon series -ane has a single bond. (-ene has a double bond; -yne has a triple bond; and alcohols have one -OH group at the end of a hydrocarbon).