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A-LevelChemistryIntroduction to organic chemistry9701/12 · May/June 2014 · Q201 Mark

The diagram shows the skeletal formula of phenazine. [Figure 20.1] What is the empirical formula of phenazine?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

AC6H4N
BC6H6N
CC12H8N2
DC12H12N2

✓ Correct answer

A: C6H4N

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About this question

Topic
Introduction to organic chemistry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, May/June 2014 Paper 1 Variant 2, question 20.

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