Which of the Following Statements Is True of the Hydroxyl

Multiple Choice

Which of the following statements is true of the hydroxyl functional groups in 2,3-butanediol?

A) One hydroxyl group is bonded to a 1° carbon, and the other hydroxyl group is bonded to a 3° carbon.
B) Both the hydroxyl groups are bonded to a 2° carbon each.
C) Both the hydroxyl groups are bonded to a 3° carbon each.
D) None of these is true.