Subject: Physical Chemistry · Chapter: Concentration B B · Topic: Concentration B B – General · Exam: GATE 2005-2021 · Marks: 2 · Difficulty: Medium
For the ring opening reaction of cyclopropane to propene at $25^{\circ} \mathrm{C}$, the pre-exponential factor is $4.3 \times 10^{15} \mathrm{s}^{-1}$. The entropy of activation (in $\mathrm{JK}^{-1} \mathrm{mol}^{-1}$, rounded off to two decimal places) is ____ (Given: $\mathrm{h}=6.626 \times 10^{-34} \mathrm{Js} ; \mathrm{k}_{\mathrm{B}}=1.38 \times 10^{-23} \mathrm{JK}^{-1} ; \mathrm{R}=8.314 \mathrm{JK}^{-1} \mathrm{mol}^{-1}$ )
Answer
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