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.Management Sciences
Category: Reaction Kinetics
Energy of activation for backward reaction is less than forward reaction for ___________ reactio?
0
A. Endothermic
B. Exothermic
C. Moderate
D. Fast
Rate of disappearance of reactant is equal to_________________?
A. Rate of reaction
B. Rate of formation of product
C. Energy released during reaction
D. A and B
When catalysts and reactants are in more than one phase it is________________?
A. Homogeneous catalysis
B. Heterogeneous catalysis
C. Catalysis
D. Ea
When the reaction completes in more than one steps rate of reaction will be determined by________________?
A. Fast step
B. Slowest step
C. All steps
D. Molecularity of the reaction
The specific rate constant of a first order reaction depends on the________________?
A. Time
B. Concentration of the reactant
C. Temperature
D. Concentration of the product
Which of the following will have very high rate of reaction ?
A. Double decomposition reaction
B. Neutralization reaction
C. Ionic reactions
D. all of above
Which order of reaction obeys the relation t1/2 = 1/Ka____________________?
A. First order
B. Second order
C. Third order
D. Zero order
The substances that reduces the effectiveness of a catalyst are called ___________________?
A. Promoters
B. Poisoning catalysts
C. Inhibitors
D. pro-catalysts
When a graph is plotted between 1/T on X-axis and log k on y-axis a straight line is obtained with a negative slope which has two end in__________________?
A. I and II quadrant
B. II and III quadrant
C. III and IV quadrant
D. II and IV quadrant
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