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, Ea, is 126 kJ/mol and the rate constant at 30C is 9.8 10-3 min-1, what is the frequency factor, A?
A) 2.4 10-24 min-1
B) 2.4 10-20 min-1
C) 5.2 1019 min-1
D) 5.2 1023 min-1

Answer

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