The Aquation of Tris(1,10-Phenanthroline)iron(II)in Acid Solution Takes Place According to the Equation

The aquation of tris(1,10-phenanthroline) iron(II) in acid solution takes place according to the equation: Fe(phen) ₃²⁺ + 3 H₃O⁺ + 3 H₂O → Fe(H₂O) ₆²⁺ + 3 phenH⁺
If the activation energy is 126 kJ/mol and frequency factor is 8.62 × 10¹⁷ s^-1,at what temperature is the rate constant equal to 3.63 × 10^-3 s^-1 for the first-order reaction?

A) 0°C
B) 36°C
C) 50°C
D) 94°C