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.Management Sciences
Category: Reaction Kinetics
On increasing the temperature the rate of reaction increases mainly because_________________?
A. The activation energy of the reaction increases
B. Concentration of the reacting molecules increases
C. Collision frequency increases
D. None of these
Activated complex is formed due to________________?
A. Pressure
B. Effective collision
C. Ineffective collisions
D. Temperature
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
Greater the conc. Of reactant__________________?
A. Greater will be dx/dt
B. Lesser will be dx/dt
C. dx/dt will be moderate
D. any of above
An enzyme has its specificity due to________________?
A. Substrate
B. Structure
C. Temperature
D. Pressure
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
The rate of reaction___________________?
A. Increases as the reaction proceeds
B. Decreases as the reaction proceeds
C. Remains the same as the reaction proceeds
D. May decrease or increase as the reaction proceeds
Radiations are absorbed in_______________?
A. Spectrophotometer method
B. Dilatometric method
C. Optical relation method
D. Refractometric method
For determining the order of reaction we use__________________?
A. Refractometric method
B. Dilatometric method
C. Optical activity method
D. Half life method
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