Question

Which form of oxygen changes in presence of UV light and to what form ?
Options are (1.) O2,O3
(2.)O3,O2 (3.) O3,O (4.) O2, O

Answer 1

● Normal form of oxygen O2 in the presence of UV light changes to single oxygen atom, later this single oxygen atoms combine to form ozone.

● In the stratosphere, ozone is made basically by ultraviolet radiation when high vitality UV beams strike standard oxygen particles (o2),they split the particle into two single oxygen atoms, known as nuclear oxygen.

● A liberated oxygen atom them join with another oxygen atom to frame a particle of ozone.

Answer 2

$O_2$ form of oxygen changes in the presence of UV light and form $O_3$.

Option (1).

Explanation:

• Oxygen is a chemical element with the symbol O. It is an important gas in the environment.

• It is useful for burning and breathing process in living organisms.

• Ozone is a pale blue gas that contains three molecules of oxygen. The chemical symbol of ozone is $O_3$.

• It is present in the Earth’s stratosphere.

• It protects the Earth from ultraviolet radiation.

• Ultraviolet light is a type of electromagnetic radiation.

• The wavelength of UV ranges from 10 nm to 400 nm.

• It is present in the Sunlight. Continuous exposure to UV light leads to damage in the living tissue.

• In the presence of UV light oxygen $(O_2$) splits into two oxygen atoms. This oxygen atom (O) combines with $O_2$and forms ozone ($O_3$).

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