Multiple choice Chemically heroin is: Diacetyl morphine Triacetyl morphine Tetra acetyl morphine Monoacetyl morphine Penta acetyl morphine Reveal answer Fill a bubble to check yourself A Correct answer Explanation Heroin (diacetylmorphine) is synthesized from morphine by acetylation with acetic anhydride, resulting in two acetyl groups attached to the morphine structure. The chemical name diacetyl morphine accurately describes this modification.