Chemical Reaction Engineering The equilibrium constant of chemical reaction __________ in the presence of catalyst. Remains unaffected Can either increase or decrease (depends on the type of catalyst) Increases Decreases Remains unaffected Can either increase or decrease (depends on the type of catalyst) Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Calcination reaction of limestone (CaCO₃ → CaO + CO₂) goes to completion in the rotary kiln, because CO₂ escapes continuously CaO is not dissociated CaO is more stable than CaCO₃ Of high calcination temperature CO₂ escapes continuously CaO is not dissociated CaO is more stable than CaCO₃ Of high calcination temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the reversible reaction of the type, A + B ⇋ AB, in general Neither of the reactions will be en-dothermic The combination reaction will be endothermic, while the dissociation reaction will be exothermic The combination reaction will be exothermic, while the dissociation reaction will be endothermic Both forward and backward reactions will be exothermic Neither of the reactions will be en-dothermic The combination reaction will be endothermic, while the dissociation reaction will be exothermic The combination reaction will be exothermic, while the dissociation reaction will be endothermic Both forward and backward reactions will be exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for isothermal operation? Plug-flow reactor Fixed bed reactor Batch reactor Back-mix reactor Plug-flow reactor Fixed bed reactor Batch reactor Back-mix reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In autocatalytic reactions, One of the products acts as a catalyst No catalyst is used Catalysts have very high selectivity One of the reactants acts as a catalyst One of the products acts as a catalyst No catalyst is used Catalysts have very high selectivity One of the reactants acts as a catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. High shutdown time requirement for emptying, cleaning and refilling Poor product quality control All of these High labour and handling cost High shutdown time requirement for emptying, cleaning and refilling Poor product quality control All of these High labour and handling cost ANSWER DOWNLOAD EXAMIANS APP
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