Q. In an experiment demonstrating the evolution of oxygen inHydrilla, sodium bicarbonate is added to water in the experimental set-up. What would happen if all other conditions are favorable?
A) Amount of oxygen evolved decreases as carbon dioxide in water is absorbed by sodium bicarbonate
B) Amount of oxygen evolved increases as the availability of carbon dioxide increases
C) Amount of oxygen evolved decreases as the availability of carbon dioxide increases
D) Amount of oxygen evolved increases as carbon dioxide in water is absorbed by sodium bicarbonate
Explanation
The addition of $NaHCO_{3}$ to water in the given experimental set-up causes the availability of more carbon dioxide for photosynthesis. Thus, amount of oxygen evolved increases.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.