JEE Main 202126 FebruaryMorning Shift

Exam: JEE Main
Year: 2021
Date: 26 February
Shift: Morning Shift
Subject: Chemistry
Chapter: Environmental Chemistry

JEE Main 2021 · 26 February · Morning Shift · Chemistry · Environmental Chemistry

The presence of ozone in troposphere:

Options

Aprotects us from the $UV$ radiation
Bprotects us from greenhouse effect
Cprotects us from the $X$ -ray radiation
Dgenerates photochemical smog

Correct answer

D. generates photochemical smog

Step-by-step solution

The presence of ozone in troposphere generates photochemical smog.

Ozone acts as an important infrared absorber (greenhouse gas), particularly in the upper troposphere, and also is an absorber of solar ultraviolet (UV) radiation.

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