Question

Explain the following in term of gain or loss of oxygen wirh two examples each a. Oxidation B. Reduction

Answer 1

Answer:

oxidation

it can be defined as:

the process in which oxygen is added to a substance.

or

the process in which hydrogen is removed from a substance

or

the process in which a substance loses electron(s)

eg: 2Cu + O2 gives 2CuO

heat

2H2s + O2 gives 2S + 2H2O

Hydrogen + oxygen gives sulphur + hydrogen oxide

sulphide

Reduction

the process in which a substance gains electron (s)

eg. 2KClO3 gives 2KCl + 3O2

2Na + H2 gives 2NaH