min 1 4 4 6 x 10 min 53 The activation energy of a certain reaction is 50 kJ mol 1 in the absence of catalyst at 27 In the

Question

min 1 4 4 6 x 10 min 53 The activation energy of a certain reaction is 50 kJ mol 1 in the absence of catalyst at 27 In the presence of catalyst the activation energy becomes 20 kJ mol 1 at the same temperature The temperature at which rate of uncatalysed reaction becomes equal to the rate in presence of catalyst at 27 C is Assume Arrhenius parameter A remains constant 1 500 K 3 250 K 2 750 K 4 1000 K

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