A) manganese and chlorine
B) potassium and manganese
C) manganese and chlorine
D) copper and chlorine
Correct Answer: A
Solution :
Photolysis of water is associated with pigment system-II and catalysed by presence of \[{{\operatorname{Mn}}^{2\,+}} and C{{l}^{-}}\] ions. \[4{{H}_{2}}O\,\,\,{{H}^{+}}\,+\,\,4O{{H}^{-}}\] \[4O{{H}^{-}}\,\xrightarrow[M{{n}^{2+}},\,C{{l}^{-}}]{Z-\,complex}\,\,2{{H}_{2}}O\,\,+\,\,{{O}_{2}}\uparrow \,\,+\,\,4{{e}^{-}}\]
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