Data Analysis Questions for Grignard Reaction

A. Melting Point

1. What is the melting point?

2. What does the melting point data tell you?

3. Were there any erros?

4. What caused them?

B. Percent Yield

1. What is the percent yield?

2. Is this good or bad?

3. Why?

4. Were there any errors?

5. What caused these errors?

C. IR

1. 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?

2. 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?

3. IR final analysis

i. Does the IR support the synthesis of benzoic acid?

ii. Why or why not?

D. Molecular Weight (128L Only)

1. What was the calculated molecular weight?

2. What does this result tell you?

3. Were there any sources of error?

4. What caused them?