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Question 56

A first order reaction has the rate constant, k = 4.6 $$\times 10^{-3}$$ s$$^{-1}$$. The number of correct statement/s from the following is/are Given: log 3 = 0.48.
A. Reaction completes in 1000 s.
B. The reaction has a half-life of 500 s.
C. The time required for 10% completion is 25 times the time required for 90% completion.
D. The degree of dissociation is equal to $$(1 - e^{-kt})$$.
E. The rate and the rate constant have the same unit.


Correct Answer: 2

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