In a reaction 50% of reaction is completed in 100 sec and 75% of reaction is completed in 300 seconds. What is the order if the reaction.

Dear Student,


t12= 100 s  ,   a1=a2t34= 300 s  ,   a2=a4and, t12 α 1a1n-1t34 α 1a2n-1t12t34=(a2a1)n-1or, 100300=(a4a2)n-113=(12)n-1log 13= n-1log12or, log 1-log 3= (n-1)(-log 2)or, 0.477=(n-1)0.30or, n=1+0.470.30=52

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