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What will be the effect of temperature on the constant? |
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Answer» SOLUTION :Rate constant of a reaction increases with the increase in temperature . In case of most homogeneousreactions , the value of rate constant increases by 2 to 3 times forevery `10^(@)C` rise in temperature . The exact dependence of the rate constant on temperature is given by Arrhenius equation, `K=Ae^(-E_(a)//RT)` ,where A is the frequency factor and `E_(a)` is activation energy of the reaction. As T increases,`E_(a)//RT` DECREASES and `E^(-E_(a)//RT)(=(1)/(e^(E_(a)//RT)))` increases and hence , the value of k increases . |
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