2H2O 4H+ + O2 + 4e– Based on the above equation, answer the following questions:
Question:

2H2O 4H+ + O2 + 4e

Based on the above equation, answer the following questions:

a. Where does this reaction take place in plants?

b. What is the significance of this reaction?

Solution:

a. It takes place in PS II which is a decomposition reaction of the water molecule.

b. Splitting of water continuously provides electrons to the electron transport chain; further steps of photosynthesis.

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