This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: Color impurities may also be removed via recrystallization from water and ethanol. Weight and yield calculations will be carried out, along with a measurement of the boiling point of the solid. The product will then be discarded and the experiment concluded. John Goodson Table of Reagents: Safety: Pyridinium hydrobromide perbromide, KOH, and glacial acetic acid can cause burns and should be handled carefully. Wear gloves and wash any spills with water. Add boiling chips when heating. Compound Amount Molecular Weight (g/mol) Mp( C) Properties Trans-Stilbene 2.0 g 180.24 125 Alkene Pyridinium hydrobromide perbromide 4.0 g 319.86-Bromine source Stilbene dibromide-340.07 238 Intermediate Alkyl Halide Diphenylacetylene 178.22 61 Glacial acetic acid 40 mL Solvent KOH 1.5 g 86.18 Washing solution Ethylene glycol 20 mL 62.02-High-boiling solvent...
View Full Document