Terpinen-4-ol is an active ingredient in tea tree oil has the following structure The correct observations for terpinen-4-ol is/are I. It rotates the plane of plane polarized light. II. It reacts with Baeyer's reagent to form form a triol III. On reaction with NaBr and H 2 S O 4 , it gives a di bromo compound IV. On ozonolysis it gives a compound with molecular formula C 10 H 18 O 3