I was presented with the following question in an online test:
To avoid any confusion, here are the arranged options:
C. B and D
Correct answer: (C) B and D.
Explanation: Chloro is given priority so numbered as 1
My question is: Are the ortho, meta and para prefixes part of the official IUPAC nomenclature or not?
B, what should be the correct answer to this question?