Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Initial concentration of the reactants remains constant Free energy of activation is higher Entropy changes Free energy of activation is lower Initial concentration of the reactants remains constant Free energy of activation is higher Entropy changes Free energy of activation is lower 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 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 Higher in CSTR Same in both the reactors Data insufficient; can't be predicted Higher in P.F. reactor Higher in CSTR Same in both the reactors Data insufficient; can't be predicted Higher in P.F. reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A photochemical reaction is Accompanied with emission of light Catalysed by light All of these Initiated by light Accompanied with emission of light Catalysed by light All of these Initiated by light ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to None of these Gain a proton Lose a proton Lose an electron None of these Gain a proton Lose a proton Lose an electron ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An example of autothermal reactor operation is Ethylene oxidation Benzene oxidation Ammonia synthesis Sulphur dioxide oxidation Ethylene oxidation Benzene oxidation Ammonia synthesis Sulphur dioxide oxidation ANSWER DOWNLOAD EXAMIANS APP