Question

The slope of the line in the graph gives the ___________

(a) Activation energy

(b) Rate constant

(c) Frequency factor

(d) Insufficient data

This question was addressed to me during an interview.

I'd like to ask this question from Rate Laws and Stoichiometry Definitions topic in division Rate Laws and Stoichiometry of Chemical Reaction Engineering

Answer 1

Correct option is (a) Activation energy

The best I can explain: The Arrhenius equation k=\(koe^{\frac{-E}{RT}}\) can be modified as

ln⁡(k)=ln⁡(ko) – \((\frac{E}{R})\frac{1}{T} \)

The slope of the line gives E/R from which Activation energy can be determined.