Which of these statements is true of saturated hydrocarbons?
a.
they contain one carbon to carbon double bond.
b.
they have at least one carbon to carbon double bond.
c.
they have one or more carbon to carbon triple bonds.
d.
they contain only single bonds.

Option (d) is the correct answer.

Explanation:

Hydrocarbons are defined as the compounds which contain only carbon and hydrogen atoms.

For example, is a hydrocabon.

When there exists only single bonds in a hydrocarbon then it is known as a saturated hydrocarbon.

And, where there exists a double or triple bond in a hydrocarbon then it is known as an unsaturated hydrocarbon.

For example, is an unsaturated hydrocarbon.

Thus, we can conclude that the statement they contain only single bonds, is true of saturated hydrocarbons.

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a. are