You know how when you leave something outside for a really long time, it starts to rust and turn an orange color? Well, that's called oxidation! And scientists figured out a way to make things rust on purpose, but in a safe and controlled way.
They use a special chemical called chromium(VI)-amine complex. It's like a superhero whose power is rusting things! When this chemical is added to another substance, it causes oxidation to happen. But, unlike regular rust which can be harmful, this kind of rusting is used for good things like making dyes or medicines.
The chromium(VI)-amine complex works by taking electrons away from the other substance it's added to. Remember that electrons are like tiny bits inside atoms that give it its properties. So, taking away electrons can change the way the substance looks or behaves. It's like taking one Lego piece from a tower - the whole tower becomes wobbly and unstable.
Scientists use this process to create new substances that have different properties. It's like mixing different colors of Play-Doh to make a new color! And just like how you have to be careful with Play-Doh or you might mix the wrong colors together, scientists have to be careful with this chemical or it might react with something it's not supposed to.
So, that's how oxidation with chromium(VI)-amine complexes works! It's a way to make things rust on purpose for a positive result.