The rate constant (k) of a reaction is measured at different temperature (T), and the data are plotted in the given figure. the activation energy of the reaction in kJ mol–1 is : (R is gas constant) (

Question

The rate constant (k) of a reaction is measured at different temperature (T), and the data are plotted in the given figure. the activation energy of the reaction in kJ mol–1 is : (R is gas constant)

(A) R
(B) 2R
(C) 2/R
(D) 1/R

Prashant Kotian · Accepted Answer

Correct answer: B. k = RT / Ea e A  lnk = lnA – T R Ea       lnk = lnA – T 10 R E 3 a         Slope of graph = 10 R E a     Ea = 2R × 103 J Ea = 2R kJ

💡 Solution & Explanation

Practice 22,000+ questions like this