Chemical shift evidence
A proton NMR signal in a Auckland HL chemistry tutorial appears at \(2.2\,\text{ppm}\). State what type of evidence this value provides. Use the labelled diagram or spectrum before giving the answer. Enter the answer and choose the interpretation that matches the HL chemistry evidence.
Worked practice: chemistry evidence and answer
Use the chemical evidence first, then enter the result and interpretation that match it.
Write a full answer
Now write the response in full, in your own words — this is what the exam asks for. The AI marks it on the same moves you built above (focus, evidence, technique, judgement) and gives feedback on reasoning, evidence, and expression.