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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Priyanshu kumar
Raising the reaction temperature by 10 °C can double or triple the reaction rate. This is due to an increase in the number of particles that have the minimum energy required. The reaction rate decreases with a decrease in temperature.
Generally speaking, this can be shown to be a consequence of the Arrhenius equation, which attempts to make predictions about the change observed in rate constants based upon observed changes in temperature. It’s a nice rule of thumb for many different types of reactions, but it isn’t true for every reaction and it isn’t true for every temperature, it’s just a nice approximation sometimes near room temperature and can be a nice way to do a gut-check when measuring rates of reaction experimentally, or as a initial guess when attempting to speed up a process. For example, you might attempt to halve the time involved in baking a cookie by raising the temperature ten degrees C (or 18 degrees F), knowing that doubling the temperature of the oven isn’t the right way to double the rate of a reaction.