The chemical reasons for the red colour of blood are given in this solution in a simple layman's language.© BrainMass Inc. brainmass.com December 19, 2018, 9:44 pm ad1c9bdddf
The bright red colour of blood is due the formation of a coordination compound of iron with porphyrin which is called a heme group. This group consists of an iron atom held in a heterocyclic ring, known as a porphyrin. This iron atom is the site of oxygen binding. The iron atom is ...