Chemical Reaction Engineering In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter Fast reactions in catalyst of small pore diameter Slow reactions in catalyst of large pore diameter Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter Fast reactions in catalyst of small pore diameter Slow reactions in catalyst of large pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times. 4 16 2 8 4 16 2 8 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the rate constant obeying Arhenious equation Can either increase or decrease ; depends on the frequency factor Decreases Increases Decreases exponentially Can either increase or decrease ; depends on the frequency factor Decreases Increases Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for isothermal operation? Batch reactor Fixed bed reactor Plug-flow reactor Back-mix reactor Batch reactor Fixed bed reactor Plug-flow reactor Back-mix reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If 'n' is the order of reaction, then unit of rate constant is (time)n - 1 (concentration) 1/(time)(concentration)n - 1 (time)-1 (concentration)n - 1 None of these (time)n - 1 (concentration) 1/(time)(concentration)n - 1 (time)-1 (concentration)n - 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The excess energy of reactants in a chemical reaction required to dissociate into products is termed as the __________ energy. Binding Activation Potential Threshold Binding Activation Potential Threshold ANSWER DOWNLOAD EXAMIANS APP
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