For the reaction, A + B → 2B + C, rA = rB/2 rA = rB rA = 2rB rA = -rB TRUE ANSWER : ? YOUR ANSWER : ?
The catalyst in a second order reversible reaction increases the rate of the forward reaction Only To a greater extent than that of the backward reaction And backward reaction equally And decreases that of backward reaction TRUE ANSWER : ? YOUR ANSWER : ?
Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot? Ln CA0 Vs ln t1/2 Ln CA0 Vs t1/2 CA0 Vs t1/2 CA0 Vs ln t1/2 TRUE ANSWER : ? YOUR ANSWER : ?
A Catalyst Changes the equilibrium constant of the reaction None of these Increases the equilibrium concentration of the product Shortens the time to reach the equilibrium TRUE ANSWER : ? YOUR ANSWER : ?
B.E.T. method can be used to determine the __________ of a porous catalyst. Solid density Pore volume Surface area All of these TRUE ANSWER : ? YOUR ANSWER : ?
Study of chemical kinetics is the easiest in the case of __________ reactions. Surface Irreversible Reversible Side TRUE ANSWER : ? YOUR ANSWER : ?
__________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst. H₂ He CO₂ N₂ TRUE ANSWER : ? YOUR ANSWER : ?
'Unreacted core model' represents the reaction involving None of these Combustion of coal particles Manufacture of carbon disulphide from elements Roasting of sulphide ores TRUE ANSWER : ? YOUR ANSWER : ?
__________ explains the mechanism of catalysis. Activated complex theory None of these Thermodynamics Collision theory TRUE ANSWER : ? YOUR ANSWER : ?