Name: CHML211 Exp. 8 Bromination of Stilbene—Green Synthesis Tech Pre In Post Max 10 20 20 50 Score Total Grade PRE-LAB ASSIGNMENT: (EACH STUDENT will complete, print, and submit a copy at the beginning of the lab period. Without a complete pre-lab assignment, you will not be allowed to perform the experiment, and will receive a zero for the lab.) …..max score = 20 pts. 1. Objective (In the provided space, write a brief purpose of the experiment, addressing all of the following points: ) Name the reactants combined during the synthesis and the product formed. What is the purification technique used in this experiment? What analytical technique will be used during the experiment to determine purity? 2. Chemical Equation (In the provided space, draw the chemical equation for the synthesis of dibromostilbene using actual chemical structures.) 3. Physical Data (Complete the following table using MSDS sheets from the following link: http://www.sigmaaldrich.com/united-states.html. Copy all of the OSHA hazards using the hazard codes provided.) Compound trans-stilbene dibromostilbene 48% Hydrobromic acid 30% hydrogen peroxide Diethyl ether ethanol Sodium hydroxide Acetone Hexane MW (g/mol) mp (oC) X X X X X X X X X X X X bp (oC) X X X X d (g/mL) X X X X OSHA HAZARDS 4. Experimental Outline (In the space provided, give a brief description of the procedure that will be followed in this experiment in 10 lines or less.) 1 2 3 4 5 6 7 8 9 10 5. Pre-Lab Question (Answer the following question prior to lab.) List 3 characteristics of a “perfect” chemical reaction based on green chemistry principles. a. b. c.