For an elementary chemical reaction, the Arrhenius plot is given below. If the energy of activation is 6.64 kJ mol -1 and R = 8.3 J K -1 mol -1 , the temperature at which the rate constant becomes e 2 min -1 , is

1. A. 125 K
2. B. 150 K
3. C. 200 K
4. D. 250 K

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