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BITSAT 2023Paper 1

Exam: BITSAT
Year: 2023
Paper: Paper 1
Subject: Chemistry
Chapter: Environmental Chemistry

BITSAT 2023 · Paper 1 · Chemistry · Environmental Chemistry

The photochemical smog does not generally contain:

The photochemical smog does not generally contain:

Options

A $\mathrm{NO}$
B $\mathrm{NO}_2$
C $\mathrm{SO}_2$
D $\mathrm{HCHO}$

Correct answer

C. $\mathrm{SO}_2$

Step-by-step solution

Photochemical smog contains nitrogen dioxide

\left(\mathrm{NO}_2\right)

, Ozone \left(\mathrm{O}_3\right)

, PAN (peroxyacetylnitrate), and compounds containing

-\mathrm{CHO} group.

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