Which of the following statements are in accordance with the Arrhenius equation?
Rate of a reaction increases with decrease in activation energy.
Explaining the Arrhenius equation
Arrhenius equation: k=Ae−EaRT
Where, k= rate constant
A= pre-exponential factor
Ea= activation energy
R=gas constant
T= temperature
Effect of temperature and activation energy on rate of reaction
Using Arrhenius equation:
k=Ae−EaRT
When T increases →Ea/RT decreases
→−EaRT increases →k=Ae−EaRT
increases →k increases → rate of reaction increases.
When Ea decreases →EaRT decreases →−EaRT increases →e−EaRT increases →k increases → rate of reaction increases.
Hence, options (A) and (B) are the correct answers.