Rate constant varies with temperature by the equation $\log _{10} k =5-\frac{2000}{T}$. We can conclude that $\left( R =8.314\ J\ mol ^{-1} K^{-1}\right) :-$
- APre exponential factor $A$ is $5$
- B$E _{ a }$ is $4\ kcal / mol$
- CPre exponential factor $A$ is $10^5$
- D$E _{ a }$ is $19.212\ kcal / mol$
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