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Byju's Answer
Standard XII
Chemistry
Land Pollution - Pesticides and Biomagnificaiton
Assertion A: ...
Question

Assertion (A): Aldehydes are one of the constituents of photochemical smog.
Reason (R): Aldehydes are produced by photochemical oxidation of hydrocarbons by ozone.

A
Both A and R are true and R is the correct explanation of A.
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B
Both A and R are true but R is not correct explanation of A.
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C
A is true and R is false
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D
A is false and R is true.
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Solution

The correct option is D Both A and R are true and R is the correct explanation of A.
Photochemical smog is a mixture of ozone, nitric acid, aldehydes, peroxyacyl nitrates (PANs), and other secondary pollutants.
Aldehydes are produced by photochemical oxidation of hydrocarbons by ozone.

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