Medium
The rate of a chemical reaction doubles with every $10^{\circ}C$ rise in temperature. If the reaction is carried out in the vicinity of $22^{\circ}C$,the activation energy of the reaction is (Given $R = 8.3 \ J \ K^{-1} \ mol^{-1}$,$\ln 2 = 0.69$ and $\ln 3 = 1.1$)
- A$1.69 \ kJ \ mol^{-1}$
- B$0.169 \ kJ \ mol^{-1}$
- C$49.8 \ kJ \ mol^{-1}$
- D$498 \ J \ mol^{-1}$
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For a reaction,the temperature increases from $10\,^\circ\text{C}$ to $50\,^\circ\text{C}$. The rate of the reaction will increase by a factor of ........
Medium
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