A-LevelChemistryAnalytical techniquesFeb/Mar 2025Paper 1 Q401 Mark
Compound L contains carbon atoms. It is analysed in a mass spectrometer. The table shows the relative abundance of the only two peaks recorded with m/e greater than 127. m/e relative abundance 128 50 129 5.5 How many carbon atoms are present in one molecule of compound L?
A5
B7
C8
D10
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The correct answer is D. This question tests the candidate's understanding of analytical techniques within the Chemistrysyllabus. The examiner's mark scheme requires...
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