Which of the Following Is True of the IUPAC System

Multiple Choice

Which of the following is true of the IUPAC system of naming alkenes?

A) The alkene is always named based on the shortest carbon chain in a branched structure.
B) The position of the double bond is always given the lowest possible number.
C) The position and identity of substituents determine the number associated with the position of the double bond.
D) None of these are correct.