. I U P A C stands for
A: Iodine Under Packing
B: International Union of Pure and Applied Chemistry
C: International Units of Protein and Carbohydrates
D: International Understanding on Physical Aspects of Chemistry
iIUPAC stands for International Unon of Pure and Applied Chemistry. This defines some rules of naming the compounds on the basis of their chemical composition and their structure.
Option B is the correct answer. 'I.U.P.A.C.', stands for International Union of Pure and Applied Chemistry.