Question

A hydrocarbon is said to be saturated if:

A)           one end of the molecule is hydrophilic while the other end is hydrophobic.
                B)            it has one or more double bonds between carbon atoms.
                C)            it contains more than one functional group.
                D)           each internal carbon atom is covalently bonded to two hydrogen atoms.
                E)            its functional groups include at least one aromatic ring.

Answer 1

D. If each eternal carbon is bonded to 2 hydrogen atoms, the hydrogen carbon is saturated. An easier way to remember if a hydrocarbon is saturated or not is to look for a double bond between 2 carbons in the chain, if this if present the hydrocarbon is UNsaturated, if this is not present the hydrocarbon is saturated.