{"knowledge_schema": {"broad_category": "Chemistry \u2192 Organic Chemistry \u2192 Stereochemistry", "refinement": "This problem involves the stereochemical outcome of a specific organic reaction involving alkenes and syn-dihydroxylation.", "specific_scope": "The reaction in question is the syn-dihydroxylation of (E)-oct-4-ene using osmium tetroxide and sodium bisulfite, which leads to the formation of a diol.", "goal": "Determine the stereochemical outcome of the reaction and identify the type of diol produced."}, "summary": "In this problem, we are examining the stereochemical outcome of the syn-dihydroxylation of (E)-oct-4-ene using osmium tetroxide followed by sodium bisulfite workup. The reaction results in the formation of a single meso diol due to the symmetrical nature of the starting alkene and the syn addition of hydroxyl groups. This leads to a compound that has a plane of symmetry, characteristic of meso compounds."}