Chemical Reaction Engineering The ratio of moles of a reactant converted into the desired product to that converted into unwanted product is called Operational yield None of these Relative yield Selectivity Operational yield None of these Relative yield Selectivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The irreversible reaction, X → Y, is the special case of the reversible reaction, X ⇋ Y, in which the Fractional conversion of All of these Concentration of Equilibrium constant is infinite Fractional conversion of All of these Concentration of Equilibrium constant is infinite ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the rate constant obeying Arhenious equation Decreases exponentially Increases Can either increase or decrease ; depends on the frequency factor Decreases Decreases exponentially Increases Can either increase or decrease ; depends on the frequency factor Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Promoter is added to the catalyst to improve its Porosity Surface area None of these Sensitivity Porosity Surface area None of these Sensitivity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CaO is not dissociated CO₂ escapes continuously Of high calcination temperature CaO is more stable than CaCO₃ CaO is not dissociated CO₂ escapes continuously Of high calcination temperature CaO is more stable than CaCO₃ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which one is the rate controlling step in a solid-gas non-catalytic reaction occurring at very high temperature? Film diffusion Pore diffusion Chemical reaction Ash layer diffusion Film diffusion Pore diffusion Chemical reaction Ash layer diffusion ANSWER DOWNLOAD EXAMIANS APP
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