Question

How many water molecule splite during light reaction for evolution of $4$ oxygen molecule?

• A. $2$
• B. $4$
• C. $6$
• D. $8$

Answer 1

The correct option is D $8$

$2H_{2}O$ → $2H_2+O_2$ is the reaction hence total of 8 molecules of water will release 4 molecules of oxygen.

SOo, the correct option is D. (8)