Data Analysis Questions for Nucleophilic Substitution (2-Chloro-2-methylbutane)

A. Percent Yield

a. What is the percent yield for the substitution?

b. Why did you get these results (ie why did you lose product)?

c. Is there something you could have done to improve your yield?

i. If so, why?

ii. If not, why?

B. Halide Tests

a. sodium iodide test

i. Did a precipitate form?

1. If yes,

a. What does this tell you?

b. What was the rate?

c. What does the rate tell you?

2. If no, why not?

ii. Were there any problems with the test?

iii. Why or why not?

b. silver nitrate test

i. Did a precipitate form?

1. If yes,

a. What does this tell you?

b. What was the rate?

c. What does the rate tell you?

2. If no, why not?

ii. Were there any problems with it?

iii. Why or why not?

c. What conclusion can you draw about your product with both tests? Why?

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 2-chloro-2-methylbutane?

ii. Why or why not?