(a) Complete the following table :
FormulaOxygen(i) ___________Ozone(ii)__________
Benefits to biotic component(iii) __________(iv) ____________________________________
(b) How is ozone formed at the higher levels of atmosphere?

(a) Complete the following table :


Formula

Oxygen

(i) _O2_

Ozone

(ii) _O3_

Benefits to biotic component
(iii) It is a very important element in the respiration process of living organisms.

(iv) Ozone helps in the protection of living organisms by absorbing ultraviolet radiation emitting from Sun.

(b) In the stratosphere, ozone is produced naturally when high-energy solar radiation falls on the molecule of oxygen, O2, and results in the splitting of diatomic oxygen under the process of photolysis.

When the free oxygen radical collides with another O2 atom, it combines and forms ozone O3.

Ozone is formed through the following chemical reaction:

                                      O2 ----> O + O (radicals)

An oxygen radical merges with diatomic oxygen to form an ozone molecule.

                                     O2 + O -----> O3.

 

Updated on: 18-Jan-2023

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