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The correct molecular formula of PAN (A component of photochemical smog) is

Structural Representations of Organic Compounds
NEET
1

HCHO

2

CH2=CH-CHO

3

CH3COONO2

4

HCOONO2

Solution:

PAN stands for Peroxyacetyl Nitrate. It is a secondary pollutant formed in photochemical smog. Its molecular formula is CH₃C(O)OONO₂, which can also be written as CH₃COONO₂. Therefore, option (3) is the correct molecular formula for PAN.

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