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 In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume. Data insufficient; can't be predicted Same as Less than More than Data insufficient; can't be predicted Same as Less than More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Consider the 'n' th order irreversible liquid phase reaction A → B. Which one of the following plots involving half life of the reaction (t1/2) and the initial reactant concentration (CA0) gives a straight line plot? Ln CA0 Vs t1/2 CA0 Vs ln t1/2 Ln CA0 Vs ln t1/2 CA0 Vs t1/2 Ln CA0 Vs t1/2 CA0 Vs ln t1/2 Ln CA0 Vs ln t1/2 CA0 Vs t1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The experimentally determined overall order of the reaction, A + B → C + D, is two. Then the Reaction is elementary with a molecularity of 2 Molecularity of the reaction is 2, but the reaction may not be elementary Reaction is elementary but the molecularity may not be 2 Reaction may be elementary with molecularity of 2 Reaction is elementary with a molecularity of 2 Molecularity of the reaction is 2, but the reaction may not be elementary Reaction is elementary but the molecularity may not be 2 Reaction may be elementary with molecularity of 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Transition state theory gives the rate constant as K α eE/RT K α T . e-E/RT K α √T . e-E/RT K α e-E/RT K α eE/RT K α T . e-E/RT K α √T . e-E/RT K α e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is the __________ diffusion. Film Ash layer None of these Pore Film Ash layer None of these Pore ANSWER DOWNLOAD EXAMIANS APP