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The Second-Order Reaction 2 Mn(CO)5 → Mn2(CO)10,has a Rate Constant

Question 127

Multiple Choice

The second-order reaction 2 Mn(CO) 5 → Mn2(CO) 10,has a rate constant equal to 3.0 × 109 M-1 s-1 at 25°C.If the initial concentration of Mn(CO) 5 is 5.0 × 10-5 M,how long will it take for 90.% of the reactant to disappear?


A) 1.7 × 10-15 s
B) 1.9 × 10-14 s
C) 6.0 × 10-5 s
D) 1.5 × 102 s

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