1H NMR: Number of Signals

Problem: How many types of electrically unique protons (peaks) are there in the following molecule?

4m

Problem: How many types of electrically unique protons (peaks) are there in the following molecule?  

3m

Problem: How many types of electrically unique protons (peaks) are there in the following molecule? 

3m

Problem: How many types of electrically unique protons (peaks) are there in the following molecule? 

3m

Problem: How many types of electrically unique protons (peaks) are there in the following molecule? 

3m

Problem: How many types of electrically unique protons (peaks) are there in the following molecule?

4m

Concept: Concept: Q-Test (Proton Relationships)

12m

Concept: Example 4: Identifying Proton Signals using Q-Test

3m

Concept: Example 5: Identifying Proton Signals using Q-Test

5m

Concept: Example 6: Identifying Proton Signals using Q-Test

3m

Problem: Identify the indicated set of protons as unrelated, homotopic, enantiotopic, or diastereotopic. 

5m

Problem: Identify the indicated set of protons as unrelated, homotopic, enantiotopic, or diastereotopic.

2m

Problem: Identify the indicated set of protons as unrelated, homotopic, enantiotopic, or diastereotopic.

2m

Concept: Example 7: Determining Diastereoisomerism

2m

Concept: Example 8: Determining Diastereoisomerism

3m