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  4. The rate of reactions exhibiting negative activation energy

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Q. The rate of reactions exhibiting negative activation energy

J & K CETJ & K CET 2012Chemical Kinetics

Solution:

The rate of reactions exhibiting negative activation energy decreases with increasing temperature because the reaction with the greater activation energy will be faster at the higher temperature and
$k=A e^{-E_{a} / R T}$ when $E_{a}=-v e$