Chemical Reaction Engineering What is the value of 'n' if the reaction rate of the chemical reaction A → B, is proportional to CAn and it is found that the reaction rate triples, when the concentration of 'A' is increased 9 times ? 1/3 1/9 1/2 3 1/3 1/9 1/2 3 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 CA0 Vs t1/2 Ln CA0 Vs ln t1/2 Ln CA0 Vs t1/2 CA0 Vs ln t1/2 CA0 Vs t1/2 Ln CA0 Vs ln t1/2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The fractional volume change between no conversion and complete conversion, for the isothermal gas phase reaction, 2A → R, is 1.5 -0.5 0.5 1 1.5 -0.5 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the __________ is the controlling resistance. Diffusion through ash layer Film diffusion Either A, B or C Chemical reaction Diffusion through ash layer Film diffusion Either A, B or C Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The conversion for a first order liquid phase reaction. A → B in a CSTR is 50%. If another CSTR of the same volume is connected in series, then the % conversion at the exit of the second reactor will be 75 90 100 60 75 90 100 60 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Transition state theory gives the rate constant as K α eE/RT K α e-E/RT K α T . e-E/RT K α √T . e-E/RT K α eE/RT K α e-E/RT K α T . e-E/RT K α √T . e-E/RT ANSWER DOWNLOAD EXAMIANS APP
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