The inversion of cane sugar proceeds with half life of 500 minute at pH 5 for any concentration of sugar. However if pH = 6, the half life changes to 50 minute. The rate law expression for the sugar inversion can be written as 

(A) r = K[sugar]2 [H]6                                             

(B) r = K[sugar]1 [H]0

(C) r = K[sugar]0 [H+]6                                          

(D) r = K[sugar]0 [H+]1

Concept Videos :-

#5 | Molecularity & Order of Reaction
#6 | Problems on Order of Reaction
#7 | Different Order of Reactions

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Order and Molecularity
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