STANDARDChemistry-Chemical Kinetics
STANDARD Chemistry Arrhenius Equation MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Consider the Arrhenius equation given below and mark the correct option. k = Ae⁻ᴱₐ/ᴿᵀ
A
Rate constant increases exponentially with increasing activation energy and decreasing temperature.
B
Rate constant decreases exponentially with increasing activation energy and decreasing temperature.
C
Rate constant increases exponentially with decreasing activation energy and decreasing temperature.
D
Rate constant increases exponentially with decreasing activation energy and increasing temperature.
Correct Answer
Option D
Detailed Explanation
On increasing temperature and decreasing activation energy, Eₐ/RT term overall decreases thus, –Eₐ/RT term increases and rate constant increases exponentially.
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