JEE Mains Chemistry Past PapershardMCQ SINGLE

In stratosphere most of the ozone formation is assisted by : (A) -rays (B) cosmic rays (C) visible rJEE Mains Chemistry Past Papers Chemistry Question

Question

In stratosphere most of the ozone formation is assisted by : (A) -rays (B) cosmic rays (C) visible radiations (D) ultraviolet radiation lerkie.My esa vkst+ksu ds vf/kdre fojpu esa lgk;d gksrh gS& (1) -fdj.ksa (2) dkWfLed fdj.ksa (3) n`'; fofdj.k (4) ijkcSaxuh fofdj.k

Answer: D

💡 Solution & Explanation

Ozone in the stratosphere is a product of UV radiations acting on dioxygen (O2) molecules. O2(g)   UV O(g) + O(g) O(g) + O2(g) UV O3(g)

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