The rate constant of a first order reaction at 400 and 500 K is respectively 2 \times 10^{-5} { s}^{-1} and 4 \times 10^{-3} { s}^{-1}. What is the approximate activation energy (in {\kJ} {\mol}^{-1}) ? ( {\R}=8.3 {\J} {\mol}^{-1} {\K}^{-1} ; \log 2=0.3)

AP EAMCET Medical 17 May 2024 Shift 2 Paper

Question : 144 of 160

Marks: +1, -0

The rate constant of a first order reaction at 400 and 500 K is respectively 2×10−5 s−1 and 4×10−3 s−1.
What is the approximate activation energy (in kJ‌mol−1)?(R=8.3Jmol−1K−1;log‌2=0.3)

880
88
38.2
8.8

Validate

Go to Question:

Prev Question

Next Question