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ChemistryJEE Main 2 Apr 2026, Shift 1·Q24·Numerical·Moderate

Chemical Kinetics · Arrhenius equation temperature dependence

For reaction A→P\ce{A -> P}, rate constant k=1.5×103k = 1.5\times10^{3} s−1^{-1} at 27∘^\circC. If activation energy for the above reaction is 60 kJ mol−1^{-1}, then the temperature (in ∘^\circC) at which rate constant, k=4.5×103k = 4.5\times10^{3} s−1^{-1} is . (Nearest integer)

Given : log⁡2=0.30\log 2 = 0.30, log⁡3=0.48\log 3 = 0.48, R=8.3R = 8.3 J K−1^{-1} mol−1^{-1}, ln⁡10=2.3\ln 10 = 2.3

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