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H_(2)O_(2)+H_(2)O+1/2O(2) (1st order). Time to time the H_(2)O_(2) solution is titrated with standard acidified KMnO_(4). The data is Time (min ) ""0""15 KMnO_(4)"consumed")""16ml""2ml What is half life in minutes? |
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Answer» `t_(1)=0""C_(0),t_(2)=15C_(0)-x,t_(3)=alpha""0` `Kxxt=2.303xxlog((C_(0))/(C_(t))),0.693/((t_(1/2)))xx15=2.303xxlog(16/2),(t_(1/2))=(0.693xx16)/(2.303xx3xx0.3010)=5` |
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