Assertion. Photochemical smog does not involve the condensation of any kind of fog on smoke particles andhence the word smog is a misnomer Reason. Photochemical smog is due to photochemical oxidation of SO_2 to SO_3 which dissolves in moisture of the air to form sulphurous acid which is injurious to health.

Assertion. Photochemical smog does not involve the condensation of any

1.	Assertion. Photochemical smog does not involve the condensation of any kind of fog on smoke particles andhence the word smog is a misnomer Reason. Photochemical smog is due to photochemical oxidation of SO_2 to SO_3 which dissolves in moisture of the air to form sulphurous acid which is injurious to health.
Answer» If both ASSERTION and REASON are TRUE and Reason is the correct explanation of Assertion. Both Assertion and Reason are true but Reasonis not the correct explanation of Assertion If Assertion is true but Reason is false If both Assertion and Reason are false Solution :Correct Reason.Photochemical SMOG is due to reaction of `NO_2` with hydrocarbons present in the AIR