First slide
Factors influencing rate of reaction
Question

The rate of a chemical reaction is infuenced by many factors.One of the most important factor which influences the rate of reaction is temperature.Temperature coefficient of a reaction is two. Then the ratio of rate constants at 55oc to 25oc will be 

Easy
Solution

 temperature coefficient is 2, rate increases by 2t2-t110; t2 = 550c and  t1 = 250c ;

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