Based on the above equation, answer the following questions

$2H { 2 }O$----------> ${{2H}^{+}}$ +
${{O}
{2}}$ + ${{4e}^{-}}$
Based on the above equation, answer the following questions
(i) Where does this reaction take place in plants?
(ii) What is the significance of this reaction?

(i) Lumen of the thylakoids.
(ii) ${{O}_{2}}$ is evolved during this reaction, moreover electrons are made available to PS-II
continuously.