JEE Main 2026 · Session 2 · Shift 1 · Chemistry

Question 74

For reaction A → P, rate constant k = 1.5×10³ s⁻¹ at 27°C. If activation energy for the above reaction is 60 kJ mol⁻¹, then the temperature (in °C) at which rate constant, k = 4.5×10³ s⁻¹ is ____. (Nearest integer) Given: log 2 = 0.30, log 3 = 0.48, R = 8.3 J K⁻¹ mol⁻¹, ln 10 = 2.3

Answer: 41

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