The rate constants of the above reaction at 200 K and 300 K are 0.03 min–1 and 0.05 min–1 respectively. The activation energy for the reaction is _________J (Nearest integer) (Given : In 10 = 2.3 R =

Question

The rate constants of the above reaction at 200 K and 300 K are 0.03 min–1 and 0.05 min–1 respectively. The activation energy for the reaction is _________J (Nearest integer) (Given : In 10 = 2.3 R = 8.3 J K–1 mol–1 log 5 = 0.70 log 3 = 0.48 log 2 = 0.30) NTA (2520) RESO. (2520)

Prashant Kotian · Accepted Answer

Correct answer: B. log       2 K K =        1 a T T R . E log       . 05 . =       1 1 . 303 . Ea 0.22 =       300 3 . 303 . Ea Ea = 0.22 × 2.303 × 8.3 × 300 × 2 J Ea = 2519.88 J Ea = 2520 J

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