Question

Ozone is passed through swimming pool because it

• A. Absorbs UV radiations
• B. Acts as disinfectant
• C. Easily available from $O_2$
• D. All of the above

Answer 1

The correct option is B Acts as disinfectant

Ozone is an effective disinfectant. It is passed through the swimming pool and is used in water treatment units because of the following reasons:

1. It improves the smell and visibility of the water.

2. It destroys bacteria and viruses by causing their oxidation.

3. It oxidises metals like manganese, iron and sulphur into the soluble particles and so these can be easily filtered out.

4. It has a bleaching effect on the discoloured water.

Hence, the correct answer is 'Acts as disinfectant'.