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VICChemistryQuick questions
Unit 1: How can the diversity of materials be explained?
Quick questions on Mass spectrometry as an analytical technique: VCE Chemistry Unit 1
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is isotope patterns to know?Show answer
These patterns are diagnostic. Seeing a 3:1 doublet of peaks two units apart almost certainly means a chlorine atom is in the molecule.
What is q1?Show answer
Outline the four stages of operation of a mass spectrometer. [4 marks]
What is q2?Show answer
A compound shows a molecular ion at m/z with an peak that is of , and no significant . (a) Determine the number of carbon atoms. (b) Suggest a molecular formula.
What is q3?Show answer
A mass spectrum of an unknown organic compound shows at m/z as the base peak with no isotope cluster suggesting Cl or Br. (a) Calculate the relative molecular mass. (b) Suggest a formula consistent with the very stable base peak.
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