Question

what happens actually when a molecule is oxidised?

Answer 1

Reduction and oxidation reactions. Reduction is the loss of oxygen atom from a molecule or the gaining of one or more electrons. A reduction reaction is seen from the point of view of the molecule being reduce,as when one molecule getsreduce another gets oxidised.The full reaction is known as a Redox reaction.

Answer 2

when molecule is oxidised then oxygen are formed