Q. Which of the following is not an unsaturated carbon compound? Answer:
Butane
Notes: Butane is saturated hydrocarbons, or alkanes, with the chemical formula C4H10 of the paraffin series.
Acetylene is unsaturated because its two carbon atoms are bonded together in a triple bond.
Pentene is a compound with five carbon atoms and a double bond and is an unsaturated Carbon Compound.
Benzene, C6H6, is highly unsaturated hydrocarbon.
Hydrocarbons having single bonds are known as Saturated Hydrocarbons.
Hydrocarbons having double and triple bonds are known as Unsaturated Hydrocarbons.