Chemistry Chemical Kinetics Integrated Rate Equations Online Exam Quiz
Chemistry Chemical Kinetics Integrated Rate Equations GK Quiz. Question and Answers related to Chemistry Chemical Kinetics Integrated Rate Equations. MCQ (Multiple Choice Questions with answers about Chemistry Chemical Kinetics Integrated Rate Equations
What is the integrated rate equation for a first order reaction?
Options
A : [A] = [A]0e-kt
B : [A] = [A]0/e-kt
C : [A] = [A]0e-t
D : [A] = [A]0e-k
The half-life of a given reaction is doubled if the initial concentration of the reactant is doubled. What is the order of the reaction?
Options
A : 0
B : 1
C : 2
D : 3
A first-order reaction was 70 percent complete in 20 minutes. What is the rate constant of the reaction?
Options
A : 0.07 min-1
B : 0.06 min-1
C : 0.08 min-1
D : 0.09 min-1
The rate constant of a reaction is 0.01s-1, how much time does it take for 2.4 mol L-1 concentration of reactant reduced to 0.3 mol L-1?
Options
A : 108.3s-1
B : 207.9s-1
C : 248.2s-1
D : 164.8s-1
A first-order reaction is 50 percent complete in 30 minutes. Calculate the time taken for completion of 87.5 percent of the reaction.
Options
A : 30 minutes
B : 60 minutes
C : 90 minutes
D : 120 minutes
What time does it take for reactants to reduce to 3/4 of initial concentration if the rate constant is 7.5 x 10-3 s-1?
Options
A : 38.4s
B : 40.2s
C : 39.3s
D : 36.8s
A zero-order reaction is 25% complete in 30seconds. What time does it take for 50% completion?
Options
A : 40s
B : 70s
C : 50s
D : 60s
For a certain reaction the values of Arrhenius factor and Activation energy are 4 x 1013 collision/sec and 98.6KJ/mol at 303K. Calculate the rate constant if reaction is 1st order?( R=8.341mol-1K-1)
Options
A : 6.07 x 10-3
B : 3.02 x 10-5
C : 4.07 x 10-4
D : 7.42 x 10-3
The decomposition of N2O5 in CCl4 solution was studied. N2O5 ? 2NO2 + 1/2O2. The rate constant of the reaction is 6.2 x 10-4 sec-1. Calculate the rate when the concentration of N2O5 is 1.25 molar.
Options
A : 6.45 x 10-4
B : 7.45 x 10-4
C : 6.75 x 10-4
D : 7.75 x 10-4
What is the time taken to complete 75 percent of the reaction if the rate of the first-order reaction is 0.023 min-1?
Options
A : 60.28 minutes
B : 69.28 minutes
C : 50.37 minutes
D : 65.97 minutes
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