Which of the following type of reaction is 3rd order reaction_________________?
A. 2N2O5 à 2N2O4 + O3
B. NO + O3 à NO2 + O2
C. 2FeCl3 + 6KI à 2FeI2 + 6KCl + I2
D. None of these
Submitted by :- Jamil Ahmed
Which statement is incorrect about catalyst___________________?
A. it is used in smaller amount
B. decrease activation energy
C. specific in action
D. it affects specific rate constant
Submitted by :- Jamil Ahmed
Energy of activation for backward reaction is less than forward reaction for ___________ reaction?
A. Endothermic
B. Exothermic
C. Moderate
D. Fast
Submitted by :- Jamil Ahmed
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
Submitted by :- Jamil Ahmed
A substance which increases the reactivity of enzyme is called_________________?
A. Promoters
B. Inhibitors
C. Stimulators
D. Non-activators
Submitted by :- Jamil Ahmed
An enzyme has its specificity due to________________?
A. Substrate
B. Structure
C. Temperature
D. Pressure
Submitted by :- Jamil Ahmed
Bio catalytical proteins are_________________?
A. Enzymes
B. Substrate
C. Lipids
D. any of above
Submitted by :- Jamil Ahmed
When catalysts and reactants are in more than one phase it is________________?
A. Homogeneous catalysis
B. Heterogeneous catalysis
C. Catalysis
D. Ea
Submitted by :- Jamil Ahmed
Anything which increases rate of reaction without being involved in the reaction________________?
A. Promoter
B. Catalyst
C. Inhibitor
D. All of the above
Submitted by :- Jamil Ahmed
The substances that reduces the effectiveness of a catalyst are called ___________________?
A. Promoters
B. Poisoning catalysts
C. Inhibitors
D. pro-catalysts
Submitted by :- Jamil Ahmed