Create fabric dye by synthesising an azo dye and using it to change the colour of a piece of cotton
He synthesised the first artificial dyestuff, called mauve or aniline purple, while trying to synthesize quinine from a coal tar chemical. Perkin commercialised his discovery, developing production methods and uses for the new dye.
Alcohols, carboxylic acids and esters don’t have to be difficult – try these practical tips in your classroom
Use your smartphone to measure changes in concentration across different concentrations of squash at home or in the classroom. Use your results to predict the concentration of an unknown dilution of squash.
Use this tutorial, including a video demonstration, to help post-16 students learn about equilibrium, the Gibbs free energy and the feasibility of reactions.
Try this tutorial with accompanying videos to help teach students on post-16 courses about the concept of entropy and the second law of thermodynamics.
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