Co-enzymes are_________________?
A. Non proteineous
B. Proteineous
C. sugars
D. lipids
Chemistry Mcqs
A catalyst can not effect__________________?
A catalyst can not effect__________________?
A. Products
B. Chemical equilibrium
C. Reactants
D. both A & B
Each catalyst has_________________?
Each catalyst has_________________?
A. Specificity
B. Special structure
C. Its own Ea
D. all of above
The substances that reduces the effectiveness of a catalyst are called ___________________?
The substances that reduces the effectiveness of a catalyst are called ___________________?
A. Promoters
B. Poisoning catalysts
C. Inhibitors
D. pro-catalysts
Greater the conc. Of reactant__________________?
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
Energy required to form transition state is called _________________?
Energy required to form transition state is called _________________?
A. Ea
B. P.E
C. V
D. K.E
Activated complex is formed due to________________?
Activated complex is formed due to________________?
A. Pressure
B. Effective collision
C. Ineffective collisions
D. Temperature
Which order of reaction obeys the relation t1/2 = 1/Ka____________________?
Which order of reaction obeys the relation t1/2 = 1/Ka____________________?
A. First order
B. Second order
C. Third order
D. Zero order
Rate of reaction when concentration of reactants are taken as unity is called_________________?
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
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__________________?
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