Rate of reaction when concentration of reactants are taken as unity is called_________________?
A. Arrhenius constant
B. Molecularity
C. Specific rate constant
D. Ideal rate constant
A. Arrhenius constant
B. Molecularity
C. Specific rate constant
D. Ideal rate constant
A. I and II quadrant
B. II and III quadrant
C. III and IV quadrant
D. II and IV quadrant
A. Concentration of reactant does not change
B. Concentration of product increases
C. Concentration of reactant decreases
D. Concentration of reactant increases
In rate expression the concentration of reactants is negative. It shows_______________? Read More »
Chemistry Mcqs, Reaction Kinetics A. Order of reaction
B. Molecularity
C. Rate of reaction
D. Average of reaction
Sum of exponents of molar concentration is called___________________? Read More »
Chemistry Mcqs, Reaction Kinetics A. The activation energy of the reaction increases
B. Concentration of the reacting molecules increases
C. Collision frequency increases
D. None of these
A. Increases the rate of forward reaction only
B. Increases the rate of reverse reaction
C. Increases the rate of forward but decreases the rate of backward reaction
D. Increases the rate of forward as well as backward reaction equally
The addition of a catalyst to the reaction system__________________? Read More »
Chemistry Mcqs, Reaction Kinetics A. 2N2O5 = 2N2O4 + O3
B. NO + O3 ? NO2 + O2
C. 2FeCl3 + 6KI ? 2FeI2 + 6KCl + I2
D. None of these
Which of the following type of reaction is 3rd order reaction_________________? Read More »
Chemistry Mcqs, Reaction Kinetics A. it is used in smaller amount
B. decrease activation energy
C. specific in action
D. it affects specific rate constant
Which statement is incorrect about catalyst___________________? Read More »
Chemistry Mcqs, Reaction Kinetics A. Endothermic
B. Exothermic
C. Moderate
D. Fast
A. Fast step
B. Slowest step
C. All steps
D. Molecularity of the reaction