Chemical Kinetics and Nuclear ChemistryHard
Question
For a first-order reaction,
Options
A.the degree of dissociation is equal to (1 − e−kt).
B.a plot of reciprocal concentration of the reactant vs time gives a straight line.
C.the time taken for the completion of 75% reaction is thrice the t1/2 of the reaction.
D.the pre-exponential factor in the Arrhenius equation has the dimension of time T−1.
Solution
$\lbrack A\rbrack = \left\lbrack A_{0} \right\rbrack(1 - \alpha) = \left\lbrack A_{0} \right\rbrack.e^{- Kt} \Rightarrow \alpha = 1 - e^{- Kt}$
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