Question

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) 0C
B) 36C
C) 50C
D) 94C

Answer

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