Data Analysis Questions for EAS 128L

Acylation

A. Melting Point

a. What does the melting point data tell you?

b. Were there any errors?

c. What caused them?

d. Why do these errors result in the data you received?

B. Percent Yield

a. What was your percent yield?

b. Is this good or bad?

c. Why?

d. Were there any errors observed?

e. What caused these errors?

f. Why do the errors give you the results in the experiment?

C. IR

a. IR functional group region analysis

i. What peaks are present that should be present?

ii. What peaks are absent that should be absent?

iii. Are there any peaks present or absent that should not be?

iv. What conclusion can you draw about the functional group region?

b. IR fingerprint region analysis

i. What peaks are present that should be present?

ii. What peaks are absent that should be absent?

iii. Are there any peaks present or absent that should not be?

iv. What conclusion can you draw about the fingerprint region?

c. IR final analysis

i. Does the IR support the synthesis of 4-methoxybenzophenone?

ii. Why or why not?

Relative Rates

A. Part 1

a. The predicted order for part 1

b. Why did you predict it?

c. The actual order for part 1

d. Was it what you predicted?

e. If so.

i. Were there any errors observed?

ii. What caused these errors?

iii. Why do these errors result in the data you received?

f. If not.

i. What were the differences?

ii. Were there any errors observed?

iii. What caused these errors?

iv. Why do these errors result in the data you received?

g. What does the actual order demonstrate?

B. Part 2

a. For each set compound pair, which one was faster?

b. Were all the faster compounds that were nitrogen-substituted arenes?

i. If so, explain why this is the case.

ii. If not

1. Explain why nitrogen should be faster.

2. Explain how you obtained the results.