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  • In stratosphere most of the ozone formation is assisted by:Option: 1 Option: 2 <img alt="\mathrm{Cosmic\ rays}" src=

In stratosphere most of the ozone formation is assisted by:
Option: 1 \mathrm{\gamma-rays}
Option: 2 \mathrm{Cosmic\ rays}
Option: 3 \mathrm{Visible \: radiations}
Option: 4 \mathrm{Ultraviolet \: radiation}

Answers (1)

best_answer

Ozone in the stratosphere is a product of UV radiations acting on dioxygen molecules. These radiations split \mathrm{O_{2}} molecule into \mathrm{O} atoms. These free \mathrm{O} atoms thus formed combine with molecular oxygen to form ozone.

\text{O}_{2}\overset{\text{UV}}{\longrightarrow} 2\; \text{O}\; \text{(g)}

\text{O (g)}+\text{O}_{2} \text{(g)}\rightleftharpoons \text{O}_{3}\; \text{(g)}

Hence the correct answer is option (4)

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sudhir.kumar

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