Question

Which of the following statements are incorrect regarding ozone?
Cbse 2020

1. Ozone is a triatomic molecule of oxygen
2 . Ozone is a deadly poison
3. Ozone shield surface of earth from Uv Ray's
4. Ozone undergo decomposition in presence of Uv

I think All are correct
But some People are saying the answer is 4 But how is that possible ??
As O3 in presence of Uv Ray undergo photolytic decomposition to form oxygen and single oxygen .
O3- O2+[O]

Plz help

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Answer 1

Answer:

all are correct answer I thik

Answer 2

Answer:

I think second is incorrect

Explanation:

bcz it saves us from uv rays

if it is helpful to u ,plz mark me as brainliest