Footage shows the stunning moment a dynamic colour shift from an iodine clock reaction was captured in China. University students conducted a chemical kinetics experiment by adding three distinct ...

THE blue colour which appears when iodine reacts with oleum has been discussed in terms of the formation of the iodine cation, I+ (refs. 1, 2). Recently3, evidence purporting to show that iodine ...

When iodine and starch are dissolved together in water, gooey starch molecules instantly trap iodine ions close together to create a dark, blueish-black color. (Dripping liquid iodine onto a ...

The aqueous solution of food color is blue. Iodine in water is yellow, and when added to the food color the result is a green solution. When this aqueous solution is extracted with organic solvents ...

If the iodine causes an intense blue colour, the apple isn’t ripe. In this instance, the colour formation is practically instantaneous. Some clever chemistry is needed to produce a time delay.

Eating iodine-rich food will have you stay healthy! Here’s what you need to know about this essential mineral. Iodine is considered to be an essential mineral for our bodies. It is a trace mineral ...

The dependence of the colour of iodine solutions upon the nature of the solvent is generally believed to be due to the presence of loosely bound iodine-solvent complexes, or ‘solvates’, in the ...