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Q. Which of the following elements are considered essential for photolysis of water ?

BVP MedicalBVP Medical 2006

Solution:

Breakdown of water $ ({{H}_{2}}O) $ molecules under the influence of light is termed photolysis. The positively charged $ {{P}_{680}} $ molecules in, the first step, exert a strong pull on the water moleculer, splitting it into $ {{H}^{+}} $ and $ O{{H}^{-}} $ ions. It requires $ M{{n}^{+}} $ and $ C{{l}^{-}} $ ions as catalysts.