Terpinen-4-ol is an active ingredient in tea tree oil and has the following structure.
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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 a triol III. On reaction with NaBr and $$H_2SO_4$$, it gives a dibromo compound IV. On ozonolysis it gives a compound with molecular formula $$C_{10}H_{18}O_3$$