Use combined spectra to identify structure
A Auckland HL chemistry tutorial gives ester C=O absorption and fragment consistent with ethyl group. Identify the most consistent structure. Enter the answer and choose the interpretation that matches the HL chemistry evidence.
AI writing feedback
How would you answer this question in your own words? The AI will analyse your response and give feedback on reasoning, evidence, and expression.
Worked practice: chemistry evidence and answer
Use the chemical evidence first, then enter the result and interpretation that match it.