1.

H_(2)O_(2)toH_(2)O+1/2O_(2)(1storder) Time to time the H_(2)O_(2) solutioni is titrated with standard acidified KMnO_(4). Thedata is Time (min)""0""15 KMnO_(4) ("consumed")""16ml""2ml What is half life in minutes?

Answer»


SOLUTION :`C_(0)`
` C_(0)-X`
`0`
`K=2.303/15xxlog(16/2),K=2.303/15xx3xx0.3010=0.693/5`
`t_(1/2)=(0.693/K),t_(1/2)=(0.693xx5)/0.693=5`


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