- The overall equation for photosynthesis is 6CO₂ + 6H₂O + Light Energy → C₆H₁₂O₆ + 6O₂. - Experiments using isotopic tracing (specifically, using water labeled with the heavy oxygen isotope ¹⁸O) demonstrated that the ¹⁸O appeared in the evolved oxygen gas, while using carbon dioxide labeled with ¹⁸O resulted in the ¹⁸O appearing in the glucose product, not the oxygen gas.
The oxygen evolved during photosynthesis comes from splitting of
Asked in UPSC NDA 2 2018 · Topic: Photosynthesis (Photolysis of water and oxygen evolution)
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