Photochemical smog occurs in warm, dry, and sunny climate. One of the following is not amongst the components of photochemical smog, identify it.

(i) NO2

(ii) O3

(iii) SO2

(iv) Unsaturated hydrocarbon

0 2 Views | Posted 4 months ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    4 months ago

    This is a Multiple Choice Questions as classified in NCERT Exemplar

    Option (iii)

    SO2 is correct since photochemical fog is formed in the presence of sunlight in summers when NO and hydrocarbons are present in large amounts in the atmosphere. SO2 is not responsible for photochemical fog. 

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