The half life period of a first order reaction is given by (where, K = rate constant. ) 2.5 K 0.693/K 6.93 K 1.5 K TRUE ANSWER : ? YOUR ANSWER : ?
Exothermic reactions are best carried out in A plug flow reactor followed by CSTR CSTR followed by a plug flow reactor A CSTR CSTR in series TRUE ANSWER : ? YOUR ANSWER : ?
A multiple reaction may be classified as a __________ reaction. Parallel or side Mixed All of these Consecutive or side TRUE ANSWER : ? YOUR ANSWER : ?
Ionic reactions occur in Solid state only Liquid state only Solutions Any state TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is the most suitable for very high pressure gas phase reaction? Tubular flow reactor Fluidised bed reactor Batch reactor Stirred tank reactor TRUE ANSWER : ? YOUR ANSWER : ?
The catalytic converter for conversion of SO₂ to SO₃ by contact process should have a feed with SO₂ content between 2-5% 7-10% 20-25% 12-15% TRUE ANSWER : ? YOUR ANSWER : ?
"A spherical porous catalyst particle of radius R is subjected to reactant A which reacts to form B by a zero order surface reaction A → B. Film mass transfer resistance is negligible and pore diffusion of A is rate controlling. The effectiveness factor of the catalyst is reported as 7/8. Which of the following statement is true?A. Inner catalyst core of radius R/8 does not participate in reaction." Inner catalyst core of radius R/2 does not participate in reaction Ffectiveness factor for a zero order reaction can not be 7/8 as it must always be 1 Inner catalyst core of radius R/8 does not participate in reaction Inner catalyst core of radius 7R/8 does not participate in reaction TRUE ANSWER : ? YOUR ANSWER : ?
Arrhenious equation represents graphically the variation between the __________ and temperature. Activation energy Frequency factor Rate of reaction Rate constant TRUE ANSWER : ? YOUR ANSWER : ?
Semibatch reactor is preferred, when a/an All of these Undersirable side reaction (at high concentration of one of the reactants) is to be avoided A gas is to be reacted with liquid (e.g. hydrogenation of fat) A highly exothermic reaction is to be controlled TRUE ANSWER : ? YOUR ANSWER : ?
The irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇋ Y, in which the Concentration of All of these Equilibrium constant is infinite Fractional conversion of TRUE ANSWER : ? YOUR ANSWER : ?