Q10 / 90 · JEE Main 2019 (12 Jan Shift 2) · Chemistry

The compound that is $NOT$ a common component of photochemical smog is:

A
$O_{3}$
Correct answer
B
$C F_{2} C l_{2}$
C
D
$C H_{2} = C H C H O$

Solution

Photochemical smog consists of nitrogen oxides, volatile organic compounds, tropospheric ozone, etc.,

C F_{2} C l_{2}

, a chlorofluorocarbon, is not present in photochemical smog, but is a major cause of ozone-layer depletion.

Hence, the correct answer is option: 'B'.

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