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JEE · NEET Previous Year Question

$Correct statement about smog is$

Topic: JEE PYQ

Answer: C. Full step-by-step solution below.

A $N O_{2} is present in classical smog$
B $Both N O_{2} and S O_{2} are present in classical smog$
C $Photochemical smog has high concentration of oxidizing agents$
D $Classical smog also has high concentration of oxidizing agents$

Correct answer: C

Solution

(c) Photochemical smog has high concentration of oxidising agents N O_{2} is produced from NO and O_{3} in the presence of sunlight Classical smog contain smoke, fog and S O_{2} and it is known as reducing smog, as chemically it is reducing mixture

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