Assertion (A) :Photochemical smog is oxidising in nature.
Reason (R) : Photochemical smog contains NO2 and O3 , which are formed during the sequence of reactions.
(i) Both A and R are correct, and R is the correct explanation of A.
(ii) Both A and R are correct, but R is not the correct explanation of A.
(iii) Both A and R are not correct.
(iv) A is not correct but R is correct.
Assertion (A) :Photochemical smog is oxidising in nature.
Reason (R) : Photochemical smog contains NO2 and O3 , which are formed during the sequence of reactions.
(i) Both A and R are correct, and R is the correct explanation of A.
(ii) Both A and R are correct, but R is not the correct explanation of A.
(iii) Both A and R are not correct.
(iv) A is not correct but R is correct.
This is a Assertion Type Questions as classified in NCERT Exemplar
Option (i)
i.e., Both A and R are correct, and R is the correct explanation of A is the answer since a photochemical smog has high concentration of oxidizing agents and is known as oxidizing smog. Two of the pollutants that are emitted
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Chemistry NCERT Exemplar Solutions Class 11th Chapter Fourteen 2025
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