The energy of activation for ab uncataly...

The energy of activation for ab uncatalysed reaction is `100KJ mol ^(-1)` presence of a catalyst lowers the energy of activation by 75% . The `log _(10).K_2/K_1` of the ratio of rate constant of catalysed and uncatalysed reactions at `27^@C` is ?
Assume the frequency factor is same for both reactions. ( Given `2.303xx8.314 = 19.147 `)

13.05

`26.10`

`6.52`

None of these

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