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CHEMISTRY, M8 2021 HSC 9 MC

The amount of paracetamol in a sample needs to be determined.

The UV absorption spectrum of paracetamol is shown.
 

Based on the absorption spectra provided, which solvent should be used to determine the amount of paracetamol?
 

 

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`D`

Show Worked Solution
  • The solvent used shouldn’t have an absorption spectrum with a maximum that corresponds to that of the paracetamol.
  • This is to ensure that the absorption of solvent will have little to no impact on the measured absorption of the paracetamol sample.

`=> D`


♦♦♦ Mean mark 24%.