A) Pure\[C{{O}_{2}}\]
B) Pure\[{{O}_{2}}\]
C) Mainly\[C{{O}_{2}}\]
D) Mainly\[{{O}_{2}}\]
Correct Answer: B
Solution :
Because this\[{{O}_{2}}\]is evolved by photolysis of\[{{H}_{2}}O\]and\[{{H}^{+}}\]ions are oxidised further in\[{{H}_{2}}O\]and remaining\[{{O}^{-}}\]produces \[{{O}_{2}}\].
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