Correct equation that represents the photolysis of water is

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$H_{2} O \to 4 H^{+} + O_{2} + 4 e^{-}$

$2 H_{2} O \to 4 H^{+} + O 2 + 4 e^{-}$

$2 H_{2} O \to 4 H^{+} + 2 O_{2} + 2 e^{-}$

$4 H_{2} O \to 4 H^{+} + O_{2} + 4 e^{-}$

answer is A.

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Detailed Solution

Photolysis of water is a process of breakdown of water molecules into hydrogen (H+) and oxygen [O] and electrons by the influence of light during the light reactions of photosynthesis. The hydrogen released from the water molecule is transferred to the hydrogen acceptor. NADP becomes reduced to form NADPH 2 . The splitting of water is associated with the PSII.

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