1. Tardigrade
  2. Question
  3. Chemistry
  4. Which of the following statements about smog is/are correct? (i) Smog formed on sunny days contain oxidising molecules. (ii) Photochemical smog contains many reactive molecules. (iii) The main polluting components of smog are oxides of carbon. (iv) The presence of carbon monoxide in air leads to the formation of ozone in smog.

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Q. Which of the following statements about smog is/are correct?
(i) Smog formed on sunny days contain oxidising molecules.
(ii) Photochemical smog contains many reactive molecules.
(iii) The main polluting components of smog are oxides of carbon.
(iv) The presence of carbon monoxide in air leads to the formation of ozone in smog.

TS EAMCET 2018

Solution:

Formation of photochemical smog over due to nitrogen oxides, hydrocarbons and sunlight.

Photochemical smog is a daytime phenomenon and it contain many reactive molecules.