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