Which of the Following Would Not Be Helpful in Distinguishing

Which of the following would not be helpful in distinguishing between oleic acid,linoleic acid and linolenic acid?

A) Examine the stoichiometry of the reaction with Br₂,CCl₄
B) Examine the stoichiometry of complete catalytic hydrogenation.
C) Examine the products obtained after subjecting the sample to catalytic hydrogenation
D) Examine products obtained after subjecting the sample to: i) O₃,CH₂Cl₂; ii) Zn,CH₃CO₂H
E) Examine the molecular weight of the acids.