__________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. None of these Chemical reaction Ash diffusion Gas film diffusion TRUE ANSWER : ? YOUR ANSWER : ?
A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant) None of these Independent of temperature ∝ CA ∝ 1/CA TRUE ANSWER : ? YOUR ANSWER : ?
For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor. Batch Fixed bed Tubular flow Stirred tank TRUE ANSWER : ? YOUR ANSWER : ?
Organic catalysts differ from the inorganic catalyst in the sense that the former is Active at very high temperature only Active at cryogenic temperatures only Prohibitively costly Proteinous in nature TRUE ANSWER : ? YOUR ANSWER : ?
For a zero order reaction, the concentration of product increases with the Increase in initial concentration Total pressure Decrease in total pressure Increase of reaction time TRUE ANSWER : ? YOUR ANSWER : ?
Considering the endotheomic dissociation of CaCO₃ in a closed vessel (CaCO₃ ⇋ CaO + CO₂), the pressure of CO₂ increases, if An inert gas is pumped keeping the temperature constant The temperature is increased None of these A catalyst is added TRUE ANSWER : ? YOUR ANSWER : ?
Exposure of a photographic plate to produce a latent image is an example of __________ reaction. Photochemical Both B and C Very slow Very fast TRUE ANSWER : ? YOUR ANSWER : ?
The fractional volume change of the system for the isothermal gas phase reaction, A 3B , between no conversion and complete conversion is 0.5 1 3 2 TRUE ANSWER : ? YOUR ANSWER : ?
The conversion XA and residence time data are collected for zero order liquid phase reaction in a stirred tank reactor. Which of the following will be a straight line? XA/(1 - XA)Vs τ XA Vs ln τ XA(1 - XA)Vs τ XA Vs . τ TRUE ANSWER : ? YOUR ANSWER : ?
In an exothermic chemical reaction, the reactants compared to the products have Same energy Higher temperature Less energy More energy TRUE ANSWER : ? YOUR ANSWER : ?