JEE Main202122 Jul 2021Morning ShiftChemistryEnvironmental ChemistryActual
The water having more dissolved O 2 is :
Options
- Aboiling water
- Bwater at 80 ° C
- Cpolluted water
- Dwater at 4 ° C
Correct answer
D. water at 4 ° C
Step-by-step solution
On heating concentration of O 2 in water decreases. So boiling water and water at 80 ° C having less O 2 concentration. Polluted water also having less O 2 concentration. So water at 4 ° C is having maximum O 2 concentration.