Edexcel A-Level Chemistry Geometry Skills

Practise Edexcel A-Level Chemistry geometry skills through spatial arrangements in organic structures, especially benzene-ring substitution and isomer counting.

Exam points

count possible benzene-ring isomers by tracking distinct substitution positions

Covered syllabus points

B.4.1—Angles and regular structures B.4.2—Representing two- and three-dimensional forms B.4.3—Symmetry of shapes

[Maximum number: 1]

How many isomers containing a benzene ring are there with the molecular formula $\mathrm{C}_{6} \mathrm{H}_{3}\left(\mathrm{NO}_{2}\right)_{2} \mathrm{OH} ?$

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Covered syllabus points

B.4 Geometry and trigonometry question 1