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JEE Main levelSingle correct optionDifficulty 2 of 3ev017

Peroxyacetyl nitrate (PAN), $CH X_{3} COOONO X_{2}$ , is formed in photochemical smog when the peroxyacetyl radical $CH X_{3} COO X_{2} \cdot$ reacts with

A $NO$
B $HNO X_{3}$
C $NO X_{2}$
D $N X_{2} O$

Answer: C

The acyl peroxy radical adds to nitrogen dioxide:

CH X_{3} COO X_{2} \cdot + NO X_{2} CH X_{3} COOONO X_{2}

. The product is a secondary pollutant and a strong eye irritant.

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