Two reactions proceed at 2 5 ∘ C at the same rate. The temperature co-efficient of the rate of the first reaction is 2 and that of second is 2.5 . Find out the ratio of the rates of 2 nd to 1 st react

Question

Two reactions proceed at 2 5 ∘ C at the same rate. The temperature co-efficient of the rate of the first reaction is 2 and that of second is 2.5 . Find out the ratio of the rates of 2 nd to 1 st reaction at 9 5 ∘ C .

TestHub · Accepted Answer

k = 2 ; k ′ = 2.5 k 25 ​ k 35 ​ ​ = 2 ⟹ k 25 ′ ​ k 35 ′ ​ ​ = 2 .5 k 25 ​ k 95 ​ ​ = 2 7 ; k 25 ′ ​ k 95 ′ ​ ​ = ( 2.5 ) 7 k 25 ​ = k 25 ′ ​ ( k 95 ​ k 95 ′ ​ ​ ) = ( 2 2.5 ​ ) 7 = ( 1.25 ) 7

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