8.9. Consider the reactions: (a) 6CO2(g) + 6H2O(l) →C6H12O6(s) + 6O2(g) (b) O3(g) + H2O2(l) →H2O(l) + 2O2(g) Why it is more appropriate to write these reactions as: (a) 6CO2(g) + 12H2O(l) →C6H12O6(s) + 6H2O(l) + 6O2(g) (b) O3(g) + H2O2 (l) →H2O(l) + O2(g) + O2(g) Also suggest a technique to investigate the path of above (a) and (b) redox reactions.

(a) Therefore, it is more appropriate to write the equation for photosynthesis as (iii) because it emphasises that 12H2O are used per molecule of carbohydrate formed and 6H2O are produced during the process. (b) The purpose of writing O2 two times suggests that O2 is being obtained from each of the two reactants. The path of reactions (a) and (b) can be determined by using H2O218 or D2O in reaction (a) or by using H2O218 or O318in reaction (b).

8.9. Consider the reactions:
(a) 6CO₂(g) + 6H₂O(l) →C₆H₁₂O₆(s) + 6O₂(g)

(b) O₃(g) + H₂O₂(l) →H₂O(l) + 2O₂(g)
Why it is more appropriate to write these reactions as:
(a) 6CO₂(g) + 12H₂O(l) →C₆H₁₂O₆(s) + 6H₂O(l) + 6O₂(g)
(b) O₃(g) + H₂O₂ (l) →H₂O(l) + O₂(g) + O₂(g)
Also suggest a technique to investigate the path of above (a) and (b) redox reactions.

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Vishal Baghel | Contributor-Level 10

10 months ago

(a) Therefore, it is more appropriate to write the equation for photosynthesis as (iii) because it emphasises that 12H₂O are used per molecule of carbohydrate formed and 6H₂O are produced during the process.

(b) The purpose of writing O₂ two times suggests that O₂ is being obtained from each of th