Consider the decomposition reaction : This reaction takes place in two steps as given below :
.Consider the decomposition reaction :
This reaction takes place in two steps as given below :
Step 1. H2 O2 + l- => H2 O + IO- (slow)
Step 2. H2 O2 + IO- => H2 O + I- + O2 (fast)
(a) Determine rate law expression.
(b) Determine the order of reaction
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(a) Rate = K[H2 O2 ][I] because second step is rate determining step.
(b) Order = 1 + 1 = 2
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