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Category > Chemistry Posted 27 Apr 2017 My Price 8.00

Bromination of E-Stilbene Lab Report

Bromination of E-Stilbene Lab Report Guidelines I. Objective - Briefly explain/describe the reaction being done in lab (indicating specific starting
material and product).
II. Reaction Mechanism – show the mechanism of reaction, including curvy arrows, intermediates, and
stereochemistry.
III. Results
a. Observations – color changes, product appearance, etc.
b. Table of Data: weights and/or volumes of ALL reactants and products. Include columns
for percent yield and MP of product.
c. Calculation: Show the percent yield equation as a separate section or figure.
d. DO NOT include conclusions about the data in this section
IV. Conclusions
a. Briefly summarize the experiment and results
b. Explain what the MP indicates about your product (purity, formation of meso-stilbene vs a
mix of diastereomers, etc.)
i. Incorporate the answer to the following question into your conclusions: How do the
results of this experiment support the hypothesis that the addition of bromine
to (E)-stilbene proceeds through the concerted mechanism and not through the
carbocation?
V. Post-Lab Questions: #1 and 5 1.What does the E in (E)-stilbene or (E)-cinnamic acid stand for and what does it mean?
5. Is meso -stilbene dibromide optically active? What symmetry element is present in this molecule that
precludes the existence of an enantiomer?
VI. BONUS question (5 points): #3 3. Write the structure of the product obtained when cyclohexane is used to decolorize bromine-containing
solutions

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SuperTutor
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Status NEW Posted 27 Apr 2017 03:04 AM My Price 8.00

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