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H(2)O(2)toH(2)O+1/2O(2)(1storder) Time...

`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?

Text Solution

Verified by Experts

The correct Answer is:
5
`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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