KBC 2021: What is the chemical formula of Ozone?

Answer: O3

Ozone is an inorganic molecule. Its chemical formula is O3. It is a pale blue gas with a distinctively pungent smell. It is an allotrope of oxygen that is much less stable than the diatomic allotrope O2, breaking down in the lower atmosphere to O2 (dioxygen).

The Ozone is formed from dioxygen by the action of ultraviolet (UV) light and electrical discharges within the atmosphere. It is present in very low concentrations throughout the latter, with its highest concentration high in the ozone layer of the stratosphere.

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