Question

Which of the following is a saturated hydrocarbon ?
A) CH3 - CH2 - CH2 - CH3
B) CH2 - CH = CH – CH2
C) CH3 - C=C - CH3​

Answer 1

Answer:

A) CH3 - CH2 - CH2 - CH3 is a saturated hydrocarbon.

Explanation:

In this hydrocarbon , the chain is complete with all the number of hydrogens to each carbon satisfied.

However , in the other two hydrocarbons , you see a double bond . This means that all the hydrogen molecules are not present and since the chain was not satisfied , it formed a double bond.

In short - hydrocarbon chaiins with single bond ( alkanes) are saturated hydrocarbons. Those with double or triple bond( alkenes and alkynes) are unsaturated.