On application of pressure to the equilibrium system, ice ⇋ water; which of the following phenomenon will occur? More water will be formed Equilibrium will not be attained More ice will be formed Water will evaporate TRUE ANSWER : ? YOUR ANSWER : ?
The temperature dependence of reaction rate constant (K) by Arhenius law is given by K α √T . e-E/RT K α T . e-E/RT K α eE/RT K α e-E/RT TRUE ANSWER : ? YOUR ANSWER : ?
With the same reaction time, initial concentration and feed rate, the reaction 2A → B is carried out separately in CSTR and P.F. reactor of equal volumes. The conversion will be Data insufficient; can't be predicted Higher in P.F. reactor Same in both the reactors Higher in CSTR TRUE ANSWER : ? YOUR ANSWER : ?
Effectiveness factor of a catalyst pellet is a measure of the __________ resistance. None of these Chemical reaction Pore diffusion Gas film TRUE ANSWER : ? YOUR ANSWER : ?
Equilibrium of a chemical reaction as viewed by kinetics is a __________ state. Dynamic steady Dynamic unsteady None of these Static steady TRUE ANSWER : ? YOUR ANSWER : ?
The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Highly temperature sensitive Insensitive to temperature changes Always irreversible Mostly irreversible TRUE ANSWER : ? YOUR ANSWER : ?
Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b Use batch reactor or plug flow reactor, when a > b Use high pressure and eliminate inerts, when a > b Use CSTR with a high conversion, when a > b Avoid recycle, when a > b TRUE ANSWER : ? YOUR ANSWER : ?
__________ resistance is not involved in the combustion of a carbon particle. None of these Chemical reaction Gas film Ash TRUE ANSWER : ? YOUR ANSWER : ?
For a zero order reaction, the concentration of product increases with the Total pressure Increase in initial concentration Decrease in total pressure Increase of reaction time TRUE ANSWER : ? YOUR ANSWER : ?