JEE Main202125 Feb 2021Morning ShiftChemistryEnvironmental ChemistryActual
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:
Options
- ABoth Statement I and Statement II are false
- BBoth Statement I and Statement II are true
- CStatement I is true but Statement II is false
- DStatement I is false but Statement II is true
Correct answer
A. Both Statement I and Statement II are false
Step-by-step solution
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 contribute to the formation of photochemical smog.