Edexcel IAL Chemistry AS 2D and 3D Forms

Edexcel IAL Chemistry AS 2D and 3D Forms
Pearson Edexcel International Advanced Subsidiary/Advanced Level in Chemistry, Issue 1, September 2017Chemistry XCH11/YCH11

Practise Edexcel IAL Chemistry representing two- and three-dimensional forms by counting benzene-ring positional isomers from molecular formulae.

How this is tested

  • Count positional isomers on a benzene ring from a molecular formula with multiple substituents.

Question 5

[Maximum number: 1]

How many isomers containing a benzene ring are there with the molecular formula C6H3(NO2)2OH?\mathrm{C}_{6} \mathrm{H}_{3}\left(\mathrm{NO}_{2}\right)_{2} \mathrm{OH} ?

A

4

B

5

C

6

D

7