A first order gaseous reaction is 25\% complete in 30 minutes at 227 and in 10 minutes at 237. The activation energy of the reaction is closest to (R=2\,cal\,K-1\,mol-1)

ABC26PH0027 · Chemical Kinetics

Subject: Physical Chemistry · Chapter: Chemical Kinetics · Topic: Arrhenius Activation · Exam: CSIR-NET DEC 2013 · Marks: 2 · Difficulty: Medium

A first order gaseous reaction is $25\%$ complete in $30$ minutes at $227^{\circ}\mathrm{C}$ and in $10$ minutes at $237^{\circ}\mathrm{C}$. The activation energy of the reaction is closest to $(R=2\,\mathrm{cal\,K^{-1}\,mol^{-1}})$

(a)$27\,\mathrm{kcal\,mol^{-1}}$

(b)$110\,\mathrm{kcal\,mol^{-1}}$

(c)$55\,\mathrm{kcal\,mol^{-1}}$

(d)$5.5\,\mathrm{kcal\,mol^{-1}}$

Answer

Answer (as printed): C

Explanation

No explanation was printed for this question.

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