Question

Given below are two statements:

Statement I : An allotrope of oxygen is an important intermediate in the formation of reducing smog.

Statement II : Gases such as oxides of nitrogen and sulphur present in troposphere contribute to the formation of photochemical smog. In the light of the above statements, choose the correct answer from the options given below:

(1) Both statement I and Statement II are false

(2) Statement I is true but Statement II is false

(3) Both Statement I and Statement II are true

(4) Statement I is false but Statement II is true

Answer 1

(1) Both statement I and Statement II are false

Reducing smog is a mixture of smoke, fog and sulphur dioxide. Tropospheric pollutants such as hydrocarbon and nitrogen oxide contirbute to the formation of photochemical smog.